Matthew 21:21
In reply Jesus said to them, "In solemn truth I tell you that if you have faith and never doubt, you will not only do what has been done to the fig tree, but even if you say to this mountain, 'Up, cast yourself into the sea!' it shall be done;
John 2:5
His mother said to the attendants, "Whatever he may tell you to do, do it."
John 5:25
"Solemnly I tell you that the hour is coming, and now is, when the dead shall hear the voice of the Son of God, and those who hear shall live.
John 5:28-29
"Do not wonder at this, because an hour is coming in which all who are in their graves shall hear his voice and shall come forth again;