Mark 2:18
And the disciples of John and the Pharisees were fasting; and they come and say to him, Why do the disciples of John and the disciples of the Pharisees fast, and thy disciples fast not?
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 to men to be fasting. Truly do I say to you, They have received their reward.
Matthew 6:18
that thou appear not to men to be fasting, but to thy Father who is in secret; and thy Father, who seeth in secret, will reward thee.
Matthew 9:14-17
Then came to him the disciples of John, saying, Why do we and the Pharisees fast, and thy disciples fast not?
Luke 18:12
I fast twice in the week; I give tithes of all that I gain.
Matthew 23:5
And all their works they do to be observed by men. They make broad their phylacteries, and enlarge their fringes,
Luke 5:33-39
And they said to him, The disciples of John fast often, and make prayers, and likewise those of the Pharisees; but thine eat and drink.
Romans 10:3
For being ignorant of the righteousness which is of God, and endeavoring to establish a righteousness of their own, they have not submitted themselves to the righteousness which is of God.