Psalms 74:13

“Thou didst divide the sea by thy strength, etc.] This and the following instances from hence to (<197418>Psalm 74:18) are proofs of God’s working salvation in the midst of the earth; some of them seem peculiar to the people of Israel, and others are benefits common to mankind in general; which the church makes use of to encourage her faith and hope, in expectation of salvation, and deliverance out of her present distressed and melancholy circumstances. This seems to refer to the Lord’s dividing of the Red sea into parts by a strong east wind, while Moses lifted up his rod and stretched out his hand as he was ordered, as a token of the divine power, and so the children of Israel passed…”

“Thou didst divide the sea by thy strength - Margin, as in Hebrew, “break.” That is, he had by his power “broken up” the strength of the sea so that it offered no resistance to their passing through it. The allusion is evidently to the passage through the Red Sea, Exodus 14:21. Thou brakest the heads of the dragons - Margin, “whales.” On the meaning of the word used here - תנין tannı̂yn - see the notes at Isaiah 13:22; notes at Job 30:29. It refers here, undoubtedly, to crocodiles or sea monsters. The language here is used to denote the absolute power of God as manifested over the sea when the people of Israel passed through it. It was as if by slaying all the mighty monsters of the deep that…”

“Dragons - He means Pharaoh and his mighty men. Psalms 74:14”

“divide: Heb. break, Psa 66:6, Psa 78:13, Psa 106:8, Psa 106:9, Psa 136:13-18; Exo 14:21; Neh 9:11; Isa 11:15, Isa 11:16 brakest: Exo 14:28; Isa 51:9, Isa 51:10; Eze 29:3 dragons: or, whales, Eze 32:2 Psalms 74:14”