Mark 2:18
And John's disciples and the Pharisees were fasting; and they come and say to Him, "Why do John's disciples and the disciples of the Pharisees fast, but Thy disciples fast not?"
Matthew 6:16
"And, when ye fast, be not as the hypocrites, of a sad countenance; for they disfigure their faces, that they may appear to men to fast. Verily I say to you, they receive their reward.
Matthew 6:18
that you appear not to men to be fasting, but to your Father Who is in secret; and your Father Who seeth in secret will recompense you.
Matthew 9:14-17
Then came to Him the disciples of John, saying, "Why do we and the Pharisees fast often, but Thy disciples fast not?"
Luke 18:12
I fast twice on the Sabbath; I give a tenth of all that I acquire.'
Matthew 23:5
But all their works they do with the view to be seen by men; for 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 supplications; likewise also those of the Pharisees; but Thine are eating and drinking!"
Romans 10:3
for, being ignorant of God's righteousness, and seeking to establish their own, they did not subject themselves to the righteousness of God;