'Powerful' in the Bible

John answered them all, saying, "I baptize you with water, but the one who is more powerful than I [am] is coming, of whom I am not worthy to untie the strap of his sandals. He will baptize you with the Holy Spirit and fire.

And he said to them, "What [things]?" So they said to him, "The things concerning Jesus the Nazarene, a man who was a prophet, powerful in deed and word before God and all the people,