Fasting

Psalms 35:13 - But as for me, when they were sick, my clothing was sackcloth: I humbled my soul with fasting; and my prayer returned into mine own bosom.
Psalms 69:10 - When I wept, and chastened my soul with fasting, that was to my reproach.
Psalms 109:24 - My knees are weak through fasting; and my flesh faileth of fatness.
Matthew 6:16 - 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.

Matthew 6:17 - But thou, when thou fastest, anoint thine head, and wash thy face;

Matthew 6:18 - 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.
Mark 2:18 - And the disciples of John and of the Pharisees used to fast: and they come and say unto him, Why do the disciples of John and of the Pharisees fast, but thy disciples fast not?

Mark 2:19 - And Jesus said unto them, Can the children of the bridechamber fast, while the bridegroom is with them? as long as they have the bridegroom with them, they cannot fast.

Mark 2:20 - But the days will come, when the bridegroom shall be taken away from them, and then shall they fast in those days.