Luke 17:6

And the Lord said, If your faith was only as great as a grain of mustard seed, you might say to this tree, Be rooted up and planted in the sea; and it would be done.

Matthew 17:20

And he says to them, Because of your little faith: for truly I say to you, If you have faith as a grain of mustard seed, you will say to this mountain, Be moved from this place to that; and it will be moved; and nothing will be impossible to you.

Matthew 21:21

And Jesus in answer said to them, Truly I say to you, If you have faith, without doubting, not only may you do what has been done to the fig-tree, but even if you say to this mountain, Be taken up and put into the sea, it will be done.

Mark 9:23

And Jesus said to him, If you are able! All things are possible to him who has faith.

Luke 13:19

It is like a grain of mustard seed which a man took and put in his garden, and it became a tree, and the birds of heaven made their resting-places in its branches.

Matthew 13:31-32

He put another story before them, saying, The kingdom of heaven is like a grain of mustard seed which a man took and put in his field:

Mark 11:22-23

And Jesus, answering, said to them, Have God's faith.

Luke 19:4

And he went quickly in front of them and got up into a tree to see him, for he was going that way.

1 Corinthians 13:2

And if I have a prophet's power, and have knowledge of all secret things; and if I have all faith, by which mountains may be moved from their place, but have not love, I am nothing.

Treasury of Scripture Knowledge

Summary

And the Lord said, If ye had faith as a grain of mustard seed, ye might say unto this sycamine tree, Be thou plucked up by the root, and be thou planted in the sea; and it should obey you.

Bible References

If

Matthew 17:20
And he says to them, Because of your little faith: for truly I say to you, If you have faith as a grain of mustard seed, you will say to this mountain, Be moved from this place to that; and it will be moved; and nothing will be impossible to you.
Matthew 21:21
And Jesus in answer said to them, Truly I say to you, If you have faith, without doubting, not only may you do what has been done to the fig-tree, but even if you say to this mountain, Be taken up and put into the sea, it will be done.
Mark 9:23
And Jesus said to him, If you are able! All things are possible to him who has faith.
Mark 11:22
And Jesus, answering, said to them, Have God's faith.
1 Corinthians 13:2
And if I have a prophet's power, and have knowledge of all secret things; and if I have all faith, by which mountains may be moved from their place, but have not love, I am nothing.

As

Luke 13:19
It is like a grain of mustard seed which a man took and put in his garden, and it became a tree, and the birds of heaven made their resting-places in its branches.
Matthew 13:31
He put another story before them, saying, The kingdom of heaven is like a grain of mustard seed which a man took and put in his field:

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain