Matthew 6:15-19

But if ye forgive not men their trespasses, neither will your Father forgive your trespasses.

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.

But thou, when thou fastest, anoint thine head, and wash thy face;

That thou appear not unto men to fast, but unto thy Father which is in secret: and thy Father, which seeth in secret, shall reward thee openly.

Lay not up for yourselves treasures upon earth, where moth and rust doth corrupt, and where thieves break through and steal: