Exodus 33:19

33:19 And the Lord said, “I will make all my goodness pass before your face, and I will proclaim the Lord by name before you; I will be gracious to whom I will be gracious, I will show mercy to whom I will show mercy.”

Exodus 33:23

33:23 Then I will take away my hand, and you will see my back, but my face must not be seen.”