By faith he removed into the land that was promised him, as into a strange country, and dwelt in tabernacles: and so did Isaac, and Jacob, heirs with him of the same promise.

By faith Abraham offered up Isaac, when he was tempted, and he offered him being his only begotten son, which had received the promises:

Of whom it was said, "In Isaac shall thy seed be called."

In faith Isaac blessed Jacob and Esau, as concerning things to come.