Hebrews 11:7-8, 17

By faith Noah, being warned of God of things not seen as yet, moved with fear, prepared an ark to the saving of his house; by the which he condemned the world, and became heir of the righteousness which is by faith. By faith Abraham, when he was called to go out into a place which he should after receive for an inheritance, obeyed; and he went out, not knowing whither he went.

By faith Abraham, when he was tried, offered up Isaac: and he that had received the promises offered up his only begotten son