Genesis 6:19

6:19 You must bring into the ark two of every kind of living creature from all flesh, male and female, to keep them alive with you.

Genesis 12:12

12:12 When the Egyptians see you they will say, ‘This is his wife.’ Then they will kill me but will keep you alive.

Genesis 17:9

17:9 Then God said to Abraham, “As for you, you must keep the covenantal requirement I am imposing on you and your descendants after you throughout their generations.