'Itself' in the Bible

Out of heaven itself his voice came to you, teaching you; and on earth he let you see his great fire; and his words came to your ears out of the heart of the fire.

If by chance you see a place which a bird has made for itself in a tree or on the earth, with young ones or eggs, and the mother bird seated on the young ones or on the eggs, do not take the mother bird with the young: