John Chrysostom
The Scriptures declare that “there was a famine in the land, over and above the former famine which was in the days of Abraham.” To clarify, it indicates this was not just a repeat of a previous famine but an additional famine that occurred during Isaac’s lifetime, similar to what his father had experienced (see Gen. 12:10). The dire scarcity of essential provisions put everyone at serious risk, driving them to leave their homelands in search of places where they could find sufficient resources. In response to this famine, this righteous man, as the Scripture recounts, “went to Abimelech king of the Philistines, to Gerar.” This was also the location where Abraham had previously traveled on his way back from Egypt (see Gen. 20:1). It is likely that Isaac intended to journey to Egypt from this location.