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.
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.
Matthew 13:31
Another parable set he before them, saying, The kingdom of the heavens is like a grain of mustard seed which a man took and sowed in his field;
Matthew 21:21
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.
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.
1 Corinthians 13:2
And if I have prophecy, and know all mysteries and all knowledge, and if I have all faith, so as to remove mountains, but have not love, I am nothing.
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.
Matthew 14:30-31
But seeing the wind strong he was afraid; and beginning to sink he cried out, saying, Lord, save me.
Matthew 17:9
And as they descended from the mountain, Jesus charged them, saying, Tell the vision to no one, until the Son of man be risen up from among the dead.
Matthew 17:17
And Jesus answering said, O unbelieving and perverted generation, how long shall I be with you? how long shall I bear with you? Bring him here to me.
Mark 4:31
As to a grain of mustard seed, which, when it is sown upon the earth, is less than all seeds which are upon the earth,
Luke 1:37
for nothing shall be impossible with God.
Luke 18:27
But he said, The things that are impossible with men are possible with God.
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?
1 Corinthians 12:9
and to a different one faith, in the power of the same Spirit; and to another gifts of healing in the power of the same Spirit;
Hebrews 3:19
And we see that they could not enter in on account of unbelief;)