Judges 13:20-22

20As the flames of fire rose up from the sacrifice to the sky, the Lord's angel went up in the flames. When Manoah and his wife saw this, they fell down with their faces towards the ground.

21The Lord's angel did not appear to them again. Manoah then realized that their visitor was the Lord's own angel.

22He said to his wife, ‘We are sure to die! We have seen God!’