said. Abraham's expedient. the next assault on Abraham in the Great Conflict for the destruction of the promised seed of the woman (Genesis 3:15). See App-23. God had to intervene (Genesis 20:3), for man could know nothing of it. Abraham's fear shown in Genesis 20:11.
my sister. half-sister. See note on Genesis 20:12 and App-29.
Abimelech. Hebrew. Father-king. The official title of the kings of Gerar (Compare Genesis 26:1), like Pharaoh in Egypt.
took. See note on Genesis 21:7. In Sarah's conception God must have renewed her youth, for she nursed Isaac (Genesis 21:7).