And summoning him, he said: "It is clear that she is your wife. Why did you falsely claim her to be your sister?" He answered, "I was afraid, lest I might die because of her.
Other versions
King James Version
And Abimelech called Isaac, and said, Behold, of a surety she is thy wife: and how saidst thou, She isEnglish Standard Version
So Abimelech called Isaac and said, "Behold, she is your wife. How then could you say, 'She is my sister'?" Isaac said to him, "Because I thought, 'Lest I die because of her.'"New International Version
So Abimelech summoned Isaac and said, "She is really your wife! Why did you say, 'She is my sister'?" Isaac answered him, "Because I thought I might lose my life on account of her."