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 answered: You unbelieving and perverted generation, how long will I be with you? How long must I put up with you? Bring him to me.
Matthew 14:30
When he noticed how strong the wind was, he became afraid. He began to sink, and cried: Help me Lord!
Hebrews 3:19
We see that they could not enter in on account of a lack of faith (unbelief) (disobedience).

A grain

Matthew 13:31
In another illustration Jesus said: The kingdom of heaven is like a grain of mustard seed, which a man sowed in his field.
Mark 4:31
It is like a grain of mustard seed. When it is planted in the earth it is smaller than all the seeds on the earth.

Nothing

Mark 9:23
Jesus said to him: All things are possible to him who has faith.
Luke 1:37
When God speaks, these things are possible.
Luke 18:27
He replied: The things that are impossible with men are possible with God.