Mark 9:23
And Jesus said unto him, If thou canst believe this, all things are possible to him that believes.
John 11:40
Jesus said unto her, Did I not say unto thee that if thou wouldest believe thou shalt see the glory of God?
Matthew 17:20
And Jesus said unto them, Because of your unfaithfulness; for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove from here to yonder place, and it shall remove; and nothing shall be impossible unto you.
Mark 11:23
For verily I say unto you that whosoever shall say unto this mountain, Remove thyself and cast thyself into the sea, and shall not doubt in his heart but shall believe that what he says shall be done whatsoever he says shall be done unto him.
Luke 17:6
And the Lord said, If ye had faith as a grain of mustard seed, ye might say unto this sycamore tree, Pluck thyself up by the root, and plant thyself in the sea, and it would obey you.
Hebrews 11:6
But without faith it is impossible to please God; for he that comes to God must believe that he is and that he is a rewarder of those that diligently seek him.
2 Chronicles 20:20
And when they arose early in the morning and while they were going forth into the wilderness of Tekoa, Jehoshaphat stood and said, Hear me, O Judah, and ye inhabitants of Jerusalem; Believe the LORD your God, and ye shall be secure; believe his prophets, and ye shall be prospered.
Matthew 21:21-22
Jesus answered and said unto them, Verily I say unto you, If ye have faith and doubt not, ye shall not only do this to the fig tree, but also if ye shall say unto this mountain, Be thou removed, and be thou cast into the sea, it shall be done.
John 4:48-50
Then Jesus said unto him, Except ye see signs and wonders, ye will not believe.
Acts 14:9
this man heard Paul speak, who steadfastly beholding him and perceiving that he had faith to be healed,