See, I am sending my servant, and he will make ready the way before me; and the Lord, whom you are looking for, will suddenly come to his Temple; and the angel of the agreement, in whom you have delight, see, he is coming, says the Lord of armies.
And he will go before his face in the spirit and power of Elijah, turning the hearts of fathers to their children, and wrongdoers to the way of righteousness; to make ready a people whose hearts have been turned to the Lord.
I had no knowledge who he was, but he who sent me to give baptism with water said to me, The one on whom you see the Spirit coming down and resting, it is he who gives baptism with the Holy Spirit.
And Paul said, John gave a baptism which goes with a change of heart, saying to the people that they were to have faith in him who was coming after him, that is, in Jesus.