A common misinterpretation views this as Abimelech hypocritically demanding an oath from Abraham despite his own past deceptions or as endorsing casual swearing by God, ignoring the context of Abimelech's genuine respect for Abraham's God-given success and the cultural norm of covenant oaths in ancient Near Eastern diplomacy; others might wrongly portray Abraham as inherently untrustworthy here, reversing Abimelech's affirmation of Abraham's prior kindness, or apply it legalistically to contradict New Testament teachings on oaths by taking it out of its historical narrative of reconciliation and peace-securing between a sojourner and a host king.
Genesis 21:23
King James Version (1769)
23 Now therefore swear unto me here by God that thou wilt not deal falsely with me, nor with my son, nor with my son’s son: but according to the kindness that I have done unto thee, thou shalt do unto me, and to the land wherein thou hast sojourned.
In this passage, Abimelech, the Philistine king of Gerar, recognizes God's evident favor and protection over Abraham after previous encounters, and he seeks a binding oath from Abraham to ensure ongoing mutual kindness and truthfulness—not just toward himself but extending to Abraham's descendants and the land where Abraham sojourns—emphasizing the value of covenants rooted in integrity, reciprocity, and acknowledgment of divine providence in human relationships.