And yet
Genesis 11:29
And Abram and Nahor took them wives: the name of Abram's wife was Sarai; and the name of Nahor's wife, Milcah, the daughter of Haran, the father of Milcah, and the father of Iscah.
Genesis 12:13
Say, I pray thee, thou art my sister: that it may be well with me for thy sake; and my soul shall live because of thee.
1 Thessalonians 5:22
Abstain from all appearance of evil.