Matthew 17:20

He answered them, "[It was] because you had such little faith. For truly I tell you, if you have faith as [small as] a mustard tree seed, you could say to this mountain, 'Move from here to that place over there' and it would move. And nothing will be impossible for you [to do]." {[{[Some manuscripts contain the following verse:

Luke 17:6

And the Lord said, "If you had faith as [small as] a mustard tree seed, you could say to this mulberry tree, 'Be uprooted and replanted in the ocean,' and it would obey you.

Matthew 13:31

Jesus told them another parable, saying, "The kingdom of heaven is similar to a seed from the mustard tree which a man took and planted in his field.

Matthew 21:21

Jesus answered, "Truly I tell you, if you have faith, without doubting, you will not only [be able to] do what was done to this fig tree, but even if you tell this mountain, 'Be lifted up and thrown into the ocean,' it will happen.

Mark 11:23

Truly I tell you, whoever will say to this mountain, 'Be lifted up and thrown into the ocean' and does not doubt in his heart, but believes that what he said will happen, he will have his request granted.

1 Corinthians 13:2

And if I have the [spiritual] gift of prophecy, and can understand all [of God's] secret purposes, and have all knowledge; and if I have all [the supernatural] faith necessary to relocate mountains [See Matt. 17:20], but do not have love [for people], I am nothing.

Mark 9:23

And Jesus said to him, "'If you can.' [Note: By repeating the man's words Jesus seems to be saying, "You mean, if YOU can believe"]. Everything is possible to the person who believes [it can happen]."

Matthew 14:30-31

But when he saw the [furious] wind he became fearful and began to sink, shouting out, "Lord, save me!"

Matthew 17:9

And as they were coming down from the mountain, Jesus ordered them, saying, "Do not tell anyone about the vision [you have just seen] until the Son of man has been raised from the dead."

Matthew 17:17

Jesus replied [to the crowd], "You perverse generation of faithless people! How long must I be with you [i.e., before you understand]? How long do I have to be patient with you? Bring the sick boy to me."

Mark 4:31

It is similar to a seed from the mustard tree which, when planted in the ground,

Luke 1:37

For nothing that God says [will happen] is impossible."

Luke 18:27

Jesus answered, "The things that are impossible with people are [certainly] possible with God."

John 11:40

Jesus replied to her, "Did I not tell you that you would see God's glory [i.e., a miraculous resurrection. See verses 22-27] if you believed?"

1 Corinthians 12:9

Still another person is given [supernatural] faith [See 13:2] by the same Holy Spirit; yet another person is given gifts [providing the ability] to perform [supernatural] healings by that one Holy Spirit.

Hebrews 3:19

And [so] we see that they were not able to enter [a state of rest with God] because of [their] unbelief.

Treasury of Scripture Knowledge

Summary

And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you.

Bible References

Because

Matthew 17:17
Jesus replied [to the crowd], "You perverse generation of faithless people! How long must I be with you [i.e., before you understand]? How long do I have to be patient with you? Bring the sick boy to me."
Matthew 14:30
But when he saw the [furious] wind he became fearful and began to sink, shouting out, "Lord, save me!"
Hebrews 3:19
And [so] we see that they were not able to enter [a state of rest with God] because of [their] unbelief.

A grain

Matthew 13:31
Jesus told them another parable, saying, "The kingdom of heaven is similar to a seed from the mustard tree which a man took and planted in his field.
Mark 4:31
It is similar to a seed from the mustard tree which, when planted in the ground,

Nothing

Mark 9:23
And Jesus said to him, "'If you can.' [Note: By repeating the man's words Jesus seems to be saying, "You mean, if YOU can believe"]. Everything is possible to the person who believes [it can happen]."
Luke 1:37
For nothing that God says [will happen] is impossible."
Luke 18:27
Jesus answered, "The things that are impossible with people are [certainly] possible with God."