Mark 9:23
Jesus said to him: If you are able to believe, all things are possible to him that believes.
John 11:40
Jesus said to her: Did I not tell you, that, if you would believe, you should see the glory of God?
Matthew 17:20
And Jesus said to them: Because of your unbelief. For verily I say to you, If you have faith like a grain of mustard-seed, you shall say to this mountain, Be removed from this place to that, and it shall be removed: and nothing shall be impossible for you.
Mark 11:23
For, verily I say to you, that whoever will say to this mountain, Be removed, and be cast into the sea, and will not doubt in his heart, but believe that what he says will come to pass, he shall have whatever he says.
Luke 17:6
And the Lord said: If you had faith like a grain of mustard, you might say to this sycamine-tree, Be uprooted, and be planted in the sea, and it should obey you.
Hebrews 11:6
But without faith it is impossible to please him; for he that comes to God must believe that he is, and that he is a rewarder of those who diligently seek him.
Matthew 21:21-22
Jesus answered and said to them: Verily I say to you, If you have faith, and doubt not, you shall do, not only what is done to the fig-tree, but even if you shall say to this mountain, Be taken up, and be thrown into the sea, it shall be done.
John 4:48-50
Then said Jesus to him: Unless you see signs and wonders, you will not believe.
Acts 14:9
This man heard Paul speak, who, looking earnestly on him, and seeing that he had faith to be saved,