Mark 11:26

For most certainly I tell you, whoever may tell this mountain, ‘Be taken up and cast into the sea,’ and doesn’t doubt in his heart, but believes that what he says is happening, he shall have whatever he says.

Therefore I tell you, all things whatever you pray and ask for, believe that you have received them, and you shall have them.

Whenever you stand praying, forgive, if you have anything against anyone; so that your Father, who is in heaven, may also forgive you your transgressions.

They came again to Jerusalem, and as he was walking in the temple, the chief priests, the scribes, and the elders came to him,

and they began saying to him, “By what authority do you do these things? Or who gave you this authority to do these things?”

Jesus said to them, “I will ask you one question. Answer me, and I will tell you by what authority I do these things.