Mark 9:23
Jesus said to him, If thou art able? All things are possible for him that believeth.
John 11:40
Jesus saith to her, Did I not tell thee, that if thou wouldst believe, thou shouldst see the glory of God?
Matthew 17:20
And he said to them, Because of your want of faith. For truly do I say to you, If ye have faith as a grain of mustard, ye shall say to this mountain, Remove hence to yonder place, and it will remove; and nothing will be impossible to you.
Mark 11:23
Truly do I say to you, that whoever shall say to this mountain, Be thou taken up, and cast into the sea, and shall not doubt in his heart, but shall believe that what he saith will come to pass, he shall have it.
Luke 17:6
But the Lord said, If ye had faith as a grain of mustard, ye might say to this sycaminetree, Be plucked up by the roots, and planted in the sea! and it would 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 those who diligently seek him.
Matthew 21:21-22
Jesus answering said to them, Truly do I say to you, If ye have faith, and do not doubt, not only shall ye do what hath been done to the figtree, but should ye even say to this mountain, Be thou taken up and cast into the sea, it would be done.
John 4:48-50
Then Jesus said to him, Unless ye see signs and wonders, ye will not believe.
Acts 14:9
This man heard Paul speaking; who looking steadily at him, and perceiving that he had faith to be healed,