Once the house owner gets up and closes the door, you'll be standing outside knocking on the door, saying, ‘Master, please open the door for us.’ But he'll reply, ‘I don't know you or where you're from.’
“Demonstrate that you have truly repented. Don't try to justify yourselves by saying, ‘We're Abraham's descendants.’ Let me tell you, God can create children of Abraham from these stones.
Just as God said, “At the right time I heard you, and on the day of salvation I rescued you.” Believe me: now is the right time! Now is the day of salvation!
You remember that even when he wanted to receive the blessing later on he was refused. Even though he really tried, and cried hard, Esau couldn't change what he had done.