If we believe not, yet he abideth faithful: he cannot deny himself.

2 Timothy 2:13

Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God.

Hebrews 3:12

Let us labour therefore to enter into that rest, lest any man fall after the same example of unbelief.

Hebrews 4:11

Jesus saith unto him, Thomas, because thou hast seen me, thou hast believed: blessed are they that have not seen, and yet have believed.

John 20:29

But these are written, that ye might believe that Jesus is the Christ, the Son of God; and that believing ye might have life through his name.

John 20:31

He that believeth on him is not condemned: but he that believeth not is condemned already.

John 3:18

Wherefore I say unto thee, Her sins, which are many, are forgiven; for she loved much.

Luke 7:47

And straightway the father of the child cried out, and said with tears, Lord, I believe; help thou mine unbelief.

Mark 9:24

And he did not many mighty works there because of their unbelief.

Matthew 13:58

Because of unbelief they were broken off, and thou standest by faith. Be not highminded, but fear.

Romans 11:20