Hebrews 1:2

1:2 in these last days he has spoken to us in a son, whom he appointed heir of all things, and through whom he created the world.

Hebrews 11:17

11:17 By faith Abraham, when he was tested, offered up Isaac. He had received the promises, yet he was ready to offer up his only son.

Hebrews 11:27

11:27 By faith he left Egypt without fearing the king’s anger, for he persevered as though he could see the one who is invisible.