the disciples
Matthew 9:14-17
14
Then came to him the disciples of John, saying, Why do we and the Pharisees fast oft, but thy disciples fast not?
15
And Jesus said unto them, Can the children of the bridechamber mourn, as long as the bridegroom is with them? but the days will come, when the bridegroom shall be taken from them, and then shall they fast.
16
No man putteth a piece of new cloth unto an old garment, for that which is put in to fill it up taketh from the garment, and the rent is made worse.
17
Neither do men put new wine into old bottles: else the bottles break, and the wine runneth out, and the bottles perish: but they put new wine into new bottles, and both are preserved.
Luke 5:33-39
33
And they said unto him, Why do the disciples of John fast often, and make prayers, and likewise the disciples of the Pharisees; but thine eat and drink?
34
And he said unto them, Can ye make the children of the bridechamber fast, while the bridegroom is with them?
35
But the days will come, when the bridegroom shall be taken away from them, and then shall they fast in those days.
36
And he spake also a parable unto them; No man putteth a piece of a new garment upon an old; if otherwise, then both the new maketh a rent, and the piece that was taken out of the new agreeth not with the old.
37
And no man putteth new wine into old bottles; else the new wine will burst the bottles, and be spilled, and the bottles shall perish.
38
But new wine must be put into new bottles; and both are preserved.
39
No man also having drunk old wine straightway desireth new: for he saith, The old is better.
Why
Matthew 6:16
Moreover when ye fast, be not, as the hypocrites, of a sad countenance: for they disfigure their faces, that they may appear unto men to fast. Verily I say unto you, They have their reward.
Matthew 6:18
That thou appear not unto men to fast, but unto thy Father which is in secret: and thy Father, which seeth in secret, shall reward thee openly.
Matthew 23:5
But all their works they do for to be seen of men: they make broad their phylacteries, and enlarge the borders of their garments,
Luke 18:12
I fast twice in the week, I give tithes of all that I possess.
Romans 10:3
For they being ignorant of God's righteousness, and going about to establish their own righteousness, have not submitted themselves unto the righteousness of God.