Where we are
Isaiah 12 is the shortest chapter in the Book of Isaiah — six verses — and the most concentrated. The chapter is the closing hymn to the Immanuel-Branch block of chapters 7–12. The chapter has been building — the Immanuel sign of ch. 7, the great light of ch. 9, the felled forest of ch. 10, the Branch and peaceable kingdom of ch. 11 — and ch. 12 is the hymn the redeemed sing on the other side of the deliverance. The doctrine: the chapter is what the disciple sings after the chastening is complete and the Branch has risen and the peaceable kingdom is inaugurated.
The chapter is deliberately patterned on the Song of Moses (Ex. 15) — the song Israel sang after crossing the Red Sea. Both songs share the phrase the Lord is my strength and song, and he is become my salvation (Ex. 15:2 = Isa. 12:2). The doctrine: the second-Exodus of Isa. 11:11–16 produces a second-Exodus-song in Isa. 12. Moses' song is the first-Exodus song; Isaiah 12 is the second-Exodus song; both songs have one phrase verbatim in common. Isaiah is making the typological-link explicit.
The chapter has two hymns — the first-person individual praise (vv. 1–3) and the second-person communal call-to-praise (vv. 4–6). Each begins with the formula "in that day thou shalt say" or "in that day shall ye say". The doctrine: the chapter prescribes praise-speech for a specific eschatological-day. The day comes; the speech is ready.
For the BoM reader, the chapter contains three especially load-bearing texts: (1) v. 2's behold, God is my salvation — the OT's most concentrated articulation of God-AS-salvation, with the name-of-Jesus embedded in the Hebrew; (2) v. 3's wells of salvation — the OT's master-image for the disciple's continuous-drawing-of-grace; (3) v. 6's great is the Holy One of Israel in the midst of thee — the chapter's closing-axiom and the master-affective-thesis for Zion.
The first hymn — God my salvation (verses 1–3)
And in that day thou shalt say: O Lord, I will praise thee; though thou wast angry with me thine anger is turned away, and thou comfortedst me. — 2 Nephi 22:1
The chapter opens with praise-from-the-far-side-of-anger. Thou wast angry with me, thine anger is turned away, and thou comfortedst me. The doctrine: the redeemed praise the Lord for the anger that has been turned away. The praise is not in spite of the anger; the praise is informed by the anger. The disciple who knows what wrath felt like knows what comfort costs. The chapter is the song that follows the fourfold refrain of chs. 9–10 (his anger is not turned away, but his hand is stretched out still) — the anger that was not turned away has now turned away. The fivefold structure — four "not turned away" + one "turned away" — spans chs. 9 + 10 + 12. The doctrine: what was promised in the outstretched hand is delivered in the hymn. The mercy that the four refrains preserved is the mercy that the song now sings.
Behold, God is my salvation; I will trust, and not be afraid; for the Lord Jehovah is my strength and my song; he also has become my salvation. — 2 Nephi 22:2
The chapter's theological summit. Hinneh El yeshu'ati — behold, God is my salvation. The Hebrew word for salvation is yeshu'ah — the same noun-root as the proper name Yeshua / Jesus. Jesus' name in Hebrew literally means "Yahweh saves" — YHWH + yeshu'ah. The doctrine: the OT verse declaring God-IS-my-salvation contains the proper name that will later be borne by the divine Person who is the salvation. Reading the verse in 559 BC, the Lehite household is reading the name Jesus encoded into the noun. The chapter is one of the OT's most precisely-Christological texts — the divine-name and the salvation-noun are one root.
The verse is one of the few OT verses Isaiah quotes verbatim from earlier scripture. The phrase the Lord is my strength and my song, and he is become my salvation is identical to Exodus 15:2 (the Song of Moses). Isaiah is deliberately quoting the first-Exodus song to set up the second-Exodus song. The doctrine: the second-Exodus is genuinely a second-Exodus — the same God doing the same deliverance using the same words. Sacred deliverance is sacred-quotation. The redeemed sing the song the redeemed have always sung. The Restoration's hymn-tradition — singing the same hymns generation after generation — operates by the same logic.
Therefore, with joy shall ye draw water out of the wells of salvation. — 2 Nephi 22:3
The chapter's most-beloved image. Draw water from the wells of salvation. The Hebrew is u-she'avtem mayim b'sason mi-ma'ayanei ha-yeshu'ah — and you shall draw waters in joy from the springs of salvation. The doctrine: salvation is a continuous-supply of living water that the disciple draws. Salvation is not a one-time event; salvation is a daily drawing. The chapter is the OT's master-image for grace as continuous-supply.
Wells — Hebrew ma'ayanei — natural springs of fresh water. The same word used of the wells of Lehi-Roi (Gen. 16:14 — well of the Living One who sees me), the well of Jacob (Gen. 29:1–10), the well at Sychar where Christ met the Samaritan woman (Jn. 4:6). The doctrine: wells are the OT's continuous-image for the disciple's continuous-encounter with the Lord. Christ at the well of Sychar says whosoever drinketh of the water that I shall give him shall never thirst (Jn. 4:14) — Christ is reading Isa. 12:3 of Himself. The Restoration's sacrament — weekly drinking — is the v. 3 wells-of-salvation enacted in liturgical form. Weekly drawing; weekly remembering; weekly receiving.
The Jewish liturgical tradition reads Isaiah 12:3 at Sukkot (Feast of Tabernacles) during the water-libation ceremony (Simchat Beit HaShoeva — Rejoicing of the House of the Water-Drawing). Priests drew water from the Pool of Siloam in a golden flagon and poured it on the altar. John 7:37–39 records Christ standing on the great day of the Feast — the day of the water-libation — and crying "if any man thirst, let him come unto me, and drink". Christ is publicly identifying Himself as the source of the v. 3 wells-of-salvation. The chapter and the feast and Christ's self-identification cohere into one Christological declaration.
The second hymn — declare and shout (verses 4–6)
And in that day shall ye say: Praise the Lord, call upon his name, declare his doings among the people, make mention that his name is exalted. — 2 Nephi 22:4
The second hymn opens with four imperatives in one verse — praise, call, declare, make-mention. The doctrine: the redeemed are commanded to publicize the salvation. Salvation drawn is salvation declared. The disciple does not draw water privately; the disciple makes mention. The chapter is one of the OT's clearest articulations of the missionary impulse as built into salvation itself. The Restoration's missionary effort — every-member-a-missionary — is v. 4 enacted at scale. Drawing and declaring are inseparable.
Make mention that his name is exalted. The Hebrew is hazkiru ki nisgav sh'mo — remember/mention that his name is exalted. Hazkiru — cause to remember — the same verb-root as zikkaron (memorial), the verb of sacrament-anamnesis. The doctrine: publicizing the Lord's name is mnemonic-work — keeping the Lord present in collective memory. The sacrament is the v. 4 hazkiru in liturgical form. Do this in remembrance of me — Hazkiru et sh'mi — enact the verse weekly.
Sing unto the Lord; for he hath done excellent things; this is known in all the earth. — 2 Nephi 22:5
The verse names singing as the response to known-deeds. The Lord has done excellent things — Hebrew ge'ut asah — proudly-done, majestically-done — and this is known in all the earth. The doctrine: the deeds become world-knowledge. The Lord's salvation is not private; it becomes known to all the earth. The chapter is anticipating the globalization of the gospel — the deeds become known in all the earth. The Restoration's Article of Faith 9 — many great and important things pertaining to the Kingdom of God yet remain to be revealed — and D&C 1:1–4 — give ear, O ye people of my church… hearken, ye people from afar; and ye that are upon the islands of the sea, listen together — operate by the same global-knowledge grammar.
Cry out and shout, thou inhabitant of Zion; for great is the Holy One of Israel in the midst of thee. — 2 Nephi 22:6
The chapter's closing axiom. Cry out and shout, thou inhabitant of Zion. Tzahali va-ronni yoshevet Tzion — shout for joy and sing aloud, dweller of Zion. The verb tzahali is the high-pitched ululation of joy (cf. Jer. 31:7 — sing with gladness for Jacob; Zech. 9:9 — shout, O daughter of Jerusalem). The doctrine: Zion's interior posture is loud-rejoicing-praise. Quiet reverence has its place; loud joy is also covenant-posture. The chapter is one of the OT's clearest articulations of joy as commanded affect.
For great is the Holy One of Israel in the midst of thee. The verse names the cause of the joy — the Holy One is in the midst of you. B'qirbekh — in your inward parts, in your midst. The doctrine: the joy of Zion is the joy of indwelling presence. The Lord is not distant; the Lord is in the midst. The chapter is the OT's clearest precursor to Immanuel-as-fulfilled — Immanuel of ch. 7:14 is now b'qirbekh of ch. 12:6. God-with-us became God-in-us. The Restoration reads this with D&C 38:7 — I, the Lord, am in your midst; D&C 84:88 — I am in your midst, and you cannot see me; but the day soon cometh that ye shall see me. The chapter's b'qirbekh promise is fulfilled in stages — first Immanuel, then sacramental, finally beatific-vision.
The chapter's architecture
The chapter is bipartite — two hymns, each opened by "in that day" (vv. 1, 4). The first hymn (vv. 1–3) is first-person individual praise; the second hymn (vv. 4–6) is second-person plural communal call-to-praise. The doctrine: the disciple's praise becomes the community's praise. Individual conversion produces collective hymn.
The theological center of gravity is v. 3 — the wells of salvation. The chapter has climbed from v. 1's individual-comfort through v. 2's God-IS-salvation to v. 3's continuous-drawing, and then descends through v. 4's declaration, v. 5's earth-wide knowledge, v. 6's indwelling shout. The wells are the chapter's geographical-center; everything else radiates from the wells. The drawing is what makes the singing possible; the singing is what publicizes the drawing.
The chapter is theologically dense in proportion to its brevity. Six verses; eight covenant-titles (Lord, God, Lord Jehovah, the Lord, the Lord, Lord, Holy One of Israel) — more than one per verse on average. Two Exodus-quotations (Ex. 15:2 in v. 2). Three explicit Yeshua-noun appearances (vv. 2 twice, v. 3 once). The chapter is the OT's most theologically-concentrated hymn. Compressed praise; saturated divinity.
How this sits in the literature of its time
Hidden providence
Three threads.
The first is that vv. 2–3's yeshu'ah-noun appearances are the OT's most-concentrated encoding of the name Jesus into the salvation-noun. Three occurrences in two verses. Jesus' name in Hebrew means "Yahweh saves" — and the verb-noun pair behind the name is the precise pair Isaiah 12:2–3 uses. Reading the chapter in 559 BC, the Lehite household is reading the proper-name of the future Messiah encoded in the salvation-noun. The name Yeshua/Jesus is not invented in the 1st century AD; the name's noun-root is woven into Isaiah 12, Brass-Plates Christology in compressed nominal form.
The second is that v. 3's wells-of-salvation is the OT background for Christ's two most-Christological water-discourses — the Samaritan-woman at the well (Jn. 4) and the tabernacle-day declaration (Jn. 7:37–39). Christ identifies Himself as the source of the wells of yeshu'ah. The Restoration's sacrament — weekly drawing of water (and bread) — is the v. 3 wells-of-yeshu'ah enacted in liturgical form for every Sunday across every dispensation. The chapter is the OT charter for sacramental drawing.
The third is that v. 6's b'qirbekh — the Holy One in your midst — is the chapter's bridge from Immanuel (God-with-us, ch. 7:14) to indwelling (God-in-us, fulfilled in the gift of the Holy Ghost). The chapter is the OT's clearest precursor to the doctrine of the Holy Ghost as personal indwelling presence. The Restoration's doctrine of the Gift of the Holy Ghost (Articles of Faith 4) — received by the laying on of hands after baptism — is the fulfilled enactment of v. 6's b'qirbekh. The Holy One promised in 730 BC is in the midst of the disciple in 2026. The chapter teaches the disciple to know that the indwelling Spirit is the answer to v. 6.
Where this lands
Three practices.
First, draw water from the wells of salvation daily. The chapter's v. 3 imperative is continuous-drawing, not one-time taking. The practice: each morning, name one well from which you will draw today — a scripture, a prayer, a sacramental memory, a temple endowment recalled, a hymn sung in the heart. Salvation is not a static possession; salvation is a continuous-drawing. The disciple who does not draw daily soon thirsts.
Second, make mention. The chapter's v. 4 imperative is hazkiru — make mention, cause to remember. The practice: each day, name the Lord's deeds in your life aloud, to someone — your spouse, your child, your friend, your colleague, your journal page. Drawing without declaring is incomplete obedience to the chapter. The disciple's testimony is the chapter's hazkiru in personal voice.
Third, cry out and shout. The chapter's v. 6 imperative is high-pitched joy. The practice: let yourself shout when shouting is the right covenant-response — when blessing comes, when miracle happens, when chastening turns to comfort. The Holy One is in your midst; Zion's interior posture is loud-rejoicing-praise. The chapter is the antidote to a chronically muted spiritual life. Quiet reverence and loud joy are both covenant-postures; honor both.