Adam Clarke's Bible Commentary Verse 2. Go not down into Egypt] As Abraham had taken refuge in that country, it is probable that Isaac was preparing to go thither also; and God, foreseeing that he would there meet with trials, &c., which might prove fatal to his peace or to his piety, warns him not to fulfill his intention.
Matthew Henry Commentary
Verses 1-5 - Isaac had been trained up in a believing dependence upon the Divin grant of the land of Canaan to him and his heirs; and now that there is a famine in the land, Isaac still cleaves to the covenant. The rea worth of God's promises cannot be lessened to a believer by any cros providences that may befall him. If God engage to be with us, and we are where he would have us to be, nothing but our own unbelief an distrust can prevent our comfort. The obedience of Abraham to the Divine command, was evidence of that faith, whereby, as a sinner, he was justified before God, and the effect of that love whereby tru faith works. God testifies that he approved this obedience, to encourage others, especially Isaac.
Original Hebrew וירא7200 אליו413 יהוה3068 ויאמר559 אל408 תרד3381 מצרימה4714 שׁכן7931 בארץ776 אשׁר834 אמר559 אליך׃413