'Have Faith' in the Bible

So he said 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, 'Move from here to there,' and it will move; and nothing will be impossible to you."

And Jesus answered them, "Truly, I say to you, if you have faith and do not doubt, you will not only do what was done to the fig tree, but even if you say to this mountain, 'Be taken up and cast into the sea,' it will be done.

And whatever you ask in prayer, you will receive, if you have faith."

And Jesus answered them, "Have faith in God.

So the Lord said, "If you have faith as a mustard seed, you can say to this mulberry tree, 'Be uprooted and be planted in the sea,' and it would obey you.

So keep up your courage, men, for I have faith in God that it will happen exactly as I have been told.

What if some did not have faith? Will their faithlessness nullify the faithfulness of God?

and that we may be delivered from wicked and evil men; for not all have faith.

But we are not of those who shrink back and are destroyed, but of those who have faith and keep their souls.

But someone will say, "You have faith and I have works." Show me your faith without the works, and I will show you my faith by my works.