The confidence: on every occasion the Jews were wont, against express prohibition, to renew friendship with Egypt, and make leagues for defence by them, and here they sinfully rested, as Isa_30:2 31:1 36:6,9: see Eze_29:7.
Which bringeth their iniquity to remembrance; which sinful reliance on the arm of flesh provoked God to call to mind other their iniquities which accompanied this, viz. their idolatry, and going a whoring with these their confederates. God never forgets, but when he visits, punisheth, and judgeth a nation for their sin, then their sin is come up into remembrance.
When they shall look after them; or, in their, i.e. the house of Israel’s, looking after, i.e. with a desire that the Egyptians would, with hope they will, and with confidence that they can, relieve, rescue, and save them; when they forgot God, and respected Egypt.
They shall know; the house of Israel shall know that I am the Lord, and whoso knows him will put their trust in him, Psa_9:10.