We are told that Isaac loved Esau, but we don’t know why. Didn’t Isaac see that Esau was a man of the outdoors, rather than a contemplative man of God? Surely, he must have known that Esau was a mercurial personality, marrying two Hittite women. To read Rabbi Sack’s fascinating article, please follow this link:
https://www.rabbisacks.org/covenant-conversation/toldot/a-fathers-love/