Mark 2:18
Now John's disciples and the Pharisees were keeping a fast. And people came and asked him, "Why is it that when John's disciples and the disciples of the Pharisees are keeping the fast, yours are not keeping it?"
Matthew 6:16
"When you fast, do not put on a gloomy look, like the hypocrites, for they neglect their personal appearance to let people see that they are fasting. I tell you, that is all the reward they will get.
Matthew 6:18
so that no one may see that you are fasting, except your Father who is unseen, and your Father who sees what is secret, will reward you.
Matthew 9:14-17
Then the disciples of John came up to him and said, "Why is it that we and the Pharisees are keeping the fast, while your disciples are not keeping it?"
Luke 18:12
I fast two days in the week; I pay tithes on everything I get.'
Matthew 23:5
They do everything they do to have men see it. They wear wide Scripture texts as charms, and they wear large tassels,
Luke 5:33-39
They said to him, "John's disciples observe frequent fasts and offer prayers, and so do the disciples of the Pharisees, but your disciples eat and drink."
Romans 10:3
For in their ignorance of God's way of uprightness and in the attempt to set up one of their own, they refused to conform to God's way of uprightness.