Exodus 3:14-15

God said to Moses, ‘I AM WHO I AM. This is what you are to say to the Israelites: “I AM has sent me to you.” ’ God also said to Moses, ‘Say 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 for ever, the name you shall call me from generation to generation.