Hebrews 11:7-8, 17

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

By faith Abraham, being tried, offered up Isaac: yea, he that had gladly received the promises was offering up his only begotten son