Mark 2:18
Now the disciples of John and the Pharisees were keeping a fast, and people came to ask him, "How is it that the disciples of John and the Pharisees are fasting, but your disciples are not?"
Matthew 6:16
"When you fast, do not look downcast like the hypocrites; for they disfigure their faces so that it may be apparent to men that they are fasting. In solemn truth I tell you, they already have received their reward.
Matthew 6:18
"so that he may not appear to men to be fasting, but to his Father who is in secret; and his Father who sees in secret will reward him.
Matthew 9:14-17
At that time the disciples of John came and asked him, "Why are we and the Pharisees always fasting, while your disciples are not?"
Luke 18:12
"'I fast twice a week, I pay tithes of all my possessions.'
Matthew 23:5
"For they do all their good deeds to be gazed on of men. They widen their phylacteries,
Luke 5:33-39
Again they said unto him. "Why do the disciples of John fast frequently, and make supplications, as also do the disciples of the Pharisees, but your disciples are eating and drinking?"
Romans 10:3
For because they were ignorant of God's righteousness, and sought to establish their own righteousness, they did not submit themselves to the righteousness of God.