'Have Faith' in the Bible

And he said to them, Because of your want of faith. For truly do I say to you, If ye have faith as a grain of mustard, ye shall say to this mountain, Remove hence to yonder place, and it will remove; and nothing will be impossible to you.

Jesus answering said to them, Truly do I say to you, If ye have faith, and do not doubt, not only shall ye do what hath been done to the figtree, but should ye even say to this mountain, Be thou taken up and cast into the sea, it would be done.

And Jesus answering saith to them, Have faith in God.

Let not your heart be troubled. Have faith in God, and have faith in me.

And he received the outward sign of circumcision as a seal of the righteousness of the faith which he had while he was uncircumcised; that he might be the father of all the uncircumcised who have faith, so that righteousness might be put to their account also;

Know then that they who have faith, these are the sons of Abraham.

So then they who have faith are blessed with believing Abraham.

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

who through him have faith in God, who raised him from the dead and gave him glory, so that your faith and hope are in God.