Mark 9:23
Jesus saith to him, If thou canst believe, all things are possible to him that believeth.
John 11:40
Jesus saith to her, Said I not to thee, if thou wouldest believe, thou shouldest see the glory of God?
Matthew 17:20
And Jesus said to them, Because of your unbelief. For verily I say to you, If ye have faith as a grain of mustardseed, ye shall say to this mountain, Remove hence to yonder place, and it shall remove, and nothing shall be impossible to you.
Mark 11:23
For verily I say to you, Whosoever shall say to this mountain, Be thou removed and cast into the sea, and not doubt in his heart, but believe that the things which he saith shall come to pass, he shall have whatsoever he saith.
Luke 17:6
If ye had faith as a grain of mustard seed, ye might say to this sycamine tree, Be thou rooted up, and be thou planted in the sea; and it should obey you.
Hebrews 11:6
But without faith it is impossible to please him; for he that cometh to God, must believe that he is, and that he is a rewarder of them that diligently seek him.
Matthew 21:21-22
Jesus answering said to them, Verily I say to you, if ye have faith and doubt not, ye shall not only do this to the fig-tree, but also if ye shall say to this mountain, Be thou lifted up, and be thou cast into the sea; it shall be done.
John 4:48-50
Jesus said to him, Unless ye see signs and wonders, ye will in no wise believe.
Acts 14:9
This man heard Paul speaking; who fixing his eyes upon him, and perceiving that he had faith to be healed,