John 8:54-58

Jesus replied, “If I glorify myself, my glory means nothing. My Father, whom you claim as your God, is the one who glorifies me. Though you do not know him, I know him. If I said I did not, I would be a liar like you, but I do know him and obey his word. Your father Abraham rejoiced at the thought of seeing my day; he saw it and was glad.” “You are not yet fifty years old,” they said to him, “and you have seen Abraham!” “Very truly I tell you,” Jesus answered, “before Abraham was born, I am!”