Mark 2:18
The disciples of John and those of the Pharisees were fasting. And they came and said to Him, Why do John's disciples and those of the Pharisees fast, but your disciples do not fast?
Matthew 6:16
And when you fast, do not be like the hypocrites, of a sad face. For they disfigure their faces so that they may appear to men to fast. Truly I say to you, They have their reward.
Matthew 6:18
so that you do not appear to men to fast, but to your Father in secret. And your Father who sees in secret shall reward you openly.
Matthew 9:14-17
Then the disciples of John came to Him saying, Why do we and the Pharisees fast often, but Your disciples do not fast?
Luke 18:12
I fast twice on the Sabbath, I give tithes of all that I possess.
Matthew 23:5
But they do all their works in order to be seen of men. They make their phylacteries broad and enlarge the borders of their garments.
Luke 5:33-39
And they said to Him, Why do John's disciples fast often and make prayers, and also the disciples of the Pharisees, but yours eat and drink?
Romans 10:3
For they, being ignorant of God's righteousness and going about to establish their own righteousness, have not submitted themselves to the righteousness of God.