Exodus 33:15-19 (NIV)
15 Then Moses said to him, “If your Presence does not go with us, do not send us up from here. 16 How will anyone know that you are pleased with me and with your people unless you go with us? What else will distinguish me and your people from all the other people on the face of the earth?”
17 And the Lord said to Moses, “I will do the very thing you have asked, because I am pleased with you and I know you by name.”
18 Then Moses said, “Now show me your glory.”
19 And the Lord said, “I will cause all my goodness to pass in front of you, and I will proclaim my name, the Lord, in your presence. I will have mercy on whom I will have mercy, and I will have compassion on whom I will have compassion.
Exodus 34:5-7 (NIV)
5 Then the Lord came down in the cloud and stood there with him and proclaimed his name, the Lord. 6 And he passed in front of Moses, proclaiming, “The Lord, the Lord, the compassionate and gracious God, slow to anger, abounding in love and faithfulness, 7 maintaining love to thousands, and forgiving wickedness, rebellion and sin. Yet he does not leave the guilty unpunished; he punishes the children and their children for the sin of the parents to the third and fourth generation.”