Matthew 9:14

The disciples of John asked: Why do your disciples not fast? They frequently fasted, and so did the Pharisees.

Matthew 11:2

While in prison, John heard news of what Christ was doing. He sent his disciples.

John 3:25

There was a controversy between some of John's disciples and the Jews about purification.

John 4:1

The Lord was aware that the Pharisees had heard that Jesus made and baptized more disciples than John.

Proverbs 20:6

Most men proclaim their own loyalty; but who can find a trustworthy man?

Matthew 6:16

When you abstain from food, do not be like the hypocrites, with sad faces to be seen by men. They have received their reward.

Matthew 11:18-19

For John came neither eating nor drinking, and they say, 'He has a demon.'

Mark 2:18-22

John's disciples and the Pharisees were fasting. They came to him and asked: Why do John's disciples and the disciples of the Pharisees fast but your disciples do not?

Luke 5:33-39

They said: The disciples of John fast often and make supplications. So do the disciples of the Pharisees. But yours eat and drink.

Luke 18:9-12

He then spoke this illustration to some who trusted in themselves. They were very self-righteous. They looked down on others:

Treasury of Scripture Knowledge

Summary

Then came to him the disciples of John, saying, Why do we and the Pharisees fast oft, but thy disciples fast not?

Bible References

Why

Matthew 6:16
When you abstain from food, do not be like the hypocrites, with sad faces to be seen by men. They have received their reward.
Matthew 11:18
For John came neither eating nor drinking, and they say, 'He has a demon.'
Proverbs 20:6
Most men proclaim their own loyalty; but who can find a trustworthy man?
Mark 2:18
John's disciples and the Pharisees were fasting. They came to him and asked: Why do John's disciples and the disciples of the Pharisees fast but your disciples do not?
Luke 5:33
They said: The disciples of John fast often and make supplications. So do the disciples of the Pharisees. But yours eat and drink.
Luke 18:9
He then spoke this illustration to some who trusted in themselves. They were very self-righteous. They looked down on others: