Genesis 21:22-24

Young's Literal Translation

²² And it cometh to pass at that time that Abimelech speaketh -- Phichol also, head of his host -- unto Abraham, saying, `God [is] with thee in all that thou art doing;

²³ and now, swear to me by God here: thou dost not lie to me, or to my continuator, or to my successor; according to the kindness which I have done with thee thou dost with me, and with the land in which thou hast sojourned.'

²⁴ And Abraham saith, `I -- I do swear.'