Matthew 21:21
"I solemnly tell you," said Jesus, "that if you have an unwavering faith, you shall not only perform such a miracle as this of the fig-tree, but that even if you say to this mountain, 'Be thou lifted up and hurled into the sea,' it shall be done;
John 2:5
His mother said to the attendants, "Whatever he tells you to do, do it."
John 5:25
"In most solemn truth I tell you that a time is coming--nay, has already come--when the dead will hear the voice of the Son of God, and those who hear it will live.
John 5:28-29
Wonder not at this. For a time is coming when all who are in the graves will hear His voice and will come forth--