Exodus 3:15

3:15 God also said to Moses, “You must say this to the Israelites, ‘The Lord – the God of your fathers, the God of Abraham, the God of Isaac, and the God of Jacob – has sent me to you. This is my name forever, and this is my memorial from generation to generation.’

Exodus 39:21

39:21 They tied the breastpiece by its rings to the rings of the ephod by blue cord, so that it was above the waistband of the ephod, so that the breastpiece would not be loose from the ephod, just as the Lord had commanded Moses.