Mark 9:23
And Jesus said to him, The 'if thou couldst' is if thou couldst believe: all things are possible to him that believes.
John 11:40
Jesus says to her, Did I not say to thee, that if thou shouldest believe, thou shouldest see the glory of God?
Matthew 17:20
And he says to them, Because of your unbelief; for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say to this mountain, Be transported hence there, and it shall transport itself; and nothing shall be impossible to you.
Mark 11:23
Verily I say to you, that whosoever shall say to this mountain, Be thou taken away and cast into the sea, and shall not doubt in his heart, but believe that what he says takes place, whatever he shall say shall come to pass for him.
Luke 17:6
But the Lord said, If ye have faith as a grain of mustard seed, ye had said to this sycamine tree, Be thou rooted up, and be thou planted in the sea, and it would have obeyed you.
Hebrews 11:6
But without faith it is impossible to please him. For he that draws near to God must believe that he is, and that he is a rewarder of them who seek him out.
2 Chronicles 20:20
And they rose early in the morning, and went forth towards the wilderness of Tekoa; and as they went forth, Jehoshaphat stood and said, Hear me, Judah, and ye inhabitants of Jerusalem! Believe in Jehovah your God, and ye shall be established; believe his prophets, and ye shall prosper!
Matthew 21:21-22
And Jesus answering said to them, Verily I say unto you, If ye have faith, and do not doubt, not only shall ye do what is done to the fig-tree, but even if ye should say to this mountain, Be thou taken away and be thou cast into the sea, it shall come to pass.
John 4:48-50
Jesus therefore said to him, Unless ye see signs and wonders ye will not believe.
Acts 14:9
This man heard Paul speaking, who, fixing his eyes on him, and seeing that he had faith to be healed,