Mark 2:18
And the disciples of John, and of the Pharisees were fasting: and they come and say to him, Why do the disciples of John, and of the Pharisees fast, and the disciples to thee fast not?
Matthew 6:16
And when ye fast, be not, as hypocrites, of gloomy aspect: for they conceal their faces that they might appear to men fasting. Verily I say to you, That they have their reward.
Matthew 6:18
That thou mightest not appear to men fasting, but to thy Father which in secret; and thy Father which in secret, will give back to thee openly.
Matthew 9:14-17
Then came to him the disciples of John; saying, Wherefore do we and the Pharisees fast much, and thy disciples fast not?
Luke 18:12
I fast twice of the Sabbath; I pay tithes of all I possess.
Matthew 23:5
And all their works do they, to be seen by men: and make broad their preservatives, and enlarge the border of their garments
Luke 5:33-39
And they said to him, Wherefore do the disciples of John fast frequently, and make prayers, and likewise they of the Pharisees; and they to thee eat and drink
Romans 10:3
For not knowing the justice of God, and seeking to establish their own justice, they have not been subjected to the justice of God.