Genesis 16:13

Thou the God. She had imagined before that she was talking to some man; but perceiving, at parting, that it was some superior being, she invoked him thus. --- The hinder parts, as Moses did afterwards, Exodus xxxiii, to let us know, that we cannot fully comprehend the nature of an angel, much less of God. Hebrew may be: "what! have I seen (do I live) after He has seen me." The Hebrews generally supposed, that death would presently overtake the person who had seen the Lord or his angel. (Judges vi. 22; Exodus xxxii. 20.) (Calmet)