Exodus 34
Exodus 34 is the renewal of the covenant after the golden calf catastrophe — and its center is one of the most theologically loaded passages in the Old Testament. Moses cuts two new stone tablets and ascends the mountain alone. God descends in cloud and passes before Moses, proclaiming: the Lord, the Lord, the compassionate and gracious God, slow to anger, abounding in love and faithfulness, maintaining love to thousands, and forgiving wickedness, rebellion and sin. Yet He will not leave the guilty unpunished. This self-declaration becomes the most quoted description of God in the Hebrew Bible, echoed in Nehemiah 9:17, Psalm 86:15, Joel 2:13, Jonah 4:2, and many more. Moses immediately bows and worships and intercedes again: take us as your inheritance. God renews the covenant and gives specific commandments, warning against treaties with the Canaanites and their worship practices. Moses is on the mountain forty days and forty nights again, and when he comes down his face is radiant — shining from being in God's presence — so that Aaron and Israel are afraid to come near him. He wears a veil. Paul interprets this veil in 2 Corinthians 3:13–18 as a picture of spiritual blindness that is lifted in Christ, and the unveiled face of Moses becomes a picture of the unveiled face that sees the Lord's glory and is transformed into His likeness.
Exodus 34:25
Do not offer the blood of a sacrifice to me along with anything containing yeast, and do not let any of the sacrifice from the Passover Festival remain until morning. The ritual prohibitions for sacrifice — no leaven with blood, no Passover meat until morning — are reissued in the covenant renewal. The consistency of these prohibitions across the original covenant and its renewal communicates their permanent character. The covenant renewal does not revise the covenant's requirements; it restores the community to the requirements that the apostasy interrupted. The form of true worship does not change when the worshippers return.
Exodus 34:26
Bring the best of the firstfruits of your soil to the house of the Lord your God. Do not cook a young goat in its mother's milk. The firstfruits command and the goat-in-milk prohibition are reissued as in Exodus 23:19. The firstfruits principle — bring the best of the first to God — is the positive covenant principle; the goat-in-milk prohibition guards a boundary against a specific confusion of life and death. Together they represent the comprehensive claim of covenant worship: the first and best belongs to God, and the boundaries He establishes must not be transgressed.
Exodus 34:27
Then the Lord said to Moses: write down these words, for in accordance with these words I have made a covenant with you and with Israel. God commands Moses to write the covenant words. The covenant is textual: it exists in written form because the written form makes it binding and transmissible across generations. 2 Timothy 3:16 says all Scripture is God-breathed — the writing of the covenant at Sinai is the founding act of the inscripturated covenant that the entire biblical canon expands. The written word that makes the covenant durable across generations is the foundation of the community that lives by those words.