Matthew 6:15 KJV
But if ye forgive not men their trespasses, neither will your Father forgive your trespasses.
Matthew 6:13–17 KJV Chapter Context
13
And lead us not into temptation, but deliver us from evil: For thine is the kingdom, and the power, and the glory, for ever. Amen.
14
For if ye forgive men their trespasses, your heavenly Father will also forgive you:
15
But if ye forgive not men their trespasses, neither will your Father forgive your trespasses.
16
Moreover when ye fast, be not, as the hypocrites, of a sad countenance: for they disfigure their faces, that they may appear unto men to fast. Verily I say unto you, They have their reward.
17
But thou, when thou fastest, anoint thine head, and wash thy face;