1)
HaSh-m told Yitzchak, "Gur" (26:3). Why does our verse say "va'Yeshev" (rather than 'va'Yagar')?
1.
Ha'amek Davar: Yitzchak wanted to dwell in serenity (like Chazal expounded about "va'Yeshev Yaakov" (37:1) - refer to 37:1:2:1 and the note there), unlike HaSh-m's instruction "Gur." Therefore, Avimelech expelled him.
