Matthew 6:16

When ye fast, don't put on a dismal air, as the hypocrites do, who look dejected, that men may take notice of their fasting: I assure you, they have their reward.

Matthew 6:2

therefore, when you give alms, do not make a proclamation of it as the hypocrites do, in their publick assemblies by sound of trumpet, that they may have the applause of men. for I assure you, they have their reward.

Matthew 6:5

And when you pray, be not as the hypocrites are: for they chuse to stand praying in publick places, and at the corners of the streets, to be observ'd by men. I assure you, they have their reward.

Luke 18:12

I fast twice a week, and I pay the tythe of all I possess.

Matthew 9:14-15

Then John's disciples came to him and said, why do the Pharisees, as well as we, observe so many fasts, and your disciples keep none?

Mark 2:18

It was customary for the Pharisees, and the disciples of John, to fast; they came therefore and ask'd him, why do John's disciples, and the Pharisees fast so frequently, and not your disciples?

Luke 2:37

being then a widow of about fourscore and four years old: she was assiduously in the temple, night and day religiously employ'd in fastings and prayers:

Acts 10:30

then Cornelius said, it is now four days ago that I was fasting, and while I was at prayers in my house, about the ninth hour, a man in bright attire presented himself before me,

Acts 13:2-3

as they were ministring to the Lord, and fasting, the holy spirit said to them, separate me Barnabas and Saul, for the work to which I have destin'd them.

Acts 14:23

and after they had by prayers and fastings establish'd Pastors for them in every church, they recommended them to the Lord in whom they had believed.

1 Corinthians 7:5

don't desert one another, unless you mutually consent to retire for a time, to the solemnity of prayer; and then come together again, lest satan make an attempt upon your continency.

2 Corinthians 6:5

from imprisonments, from tumults, from labours, from watchings, from penury.

2 Corinthians 11:27

expos'd to toil, to fatigue, to frequent watchings, to hunger and thirst, to frequent fastings, to cold and penury.

Treasury of Scripture Knowledge

Summary

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.

Bible References

When

Matthew 9:14
Then John's disciples came to him and said, why do the Pharisees, as well as we, observe so many fasts, and your disciples keep none?
Luke 2:37
being then a widow of about fourscore and four years old: she was assiduously in the temple, night and day religiously employ'd in fastings and prayers:
Acts 10:30
then Cornelius said, it is now four days ago that I was fasting, and while I was at prayers in my house, about the ninth hour, a man in bright attire presented himself before me,
Acts 13:2
as they were ministring to the Lord, and fasting, the holy spirit said to them, separate me Barnabas and Saul, for the work to which I have destin'd them.
Acts 14:23
and after they had by prayers and fastings establish'd Pastors for them in every church, they recommended them to the Lord in whom they had believed.
1 Corinthians 7:5
don't desert one another, unless you mutually consent to retire for a time, to the solemnity of prayer; and then come together again, lest satan make an attempt upon your continency.
2 Corinthians 6:5
from imprisonments, from tumults, from labours, from watchings, from penury.
2 Corinthians 11:27
expos'd to toil, to fatigue, to frequent watchings, to hunger and thirst, to frequent fastings, to cold and penury.

Be

Matthew 6:2
therefore, when you give alms, do not make a proclamation of it as the hypocrites do, in their publick assemblies by sound of trumpet, that they may have the applause of men. for I assure you, they have their reward.
Mark 2:18
It was customary for the Pharisees, and the disciples of John, to fast; they came therefore and ask'd him, why do John's disciples, and the Pharisees fast so frequently, and not your disciples?
Luke 18:12
I fast twice a week, and I pay the tythe of all I possess.