And she was a widow of about fourscore and four years, which departed not from the temple, but served God with fastings and prayers night and day.
And Cornelius said, Four days ago I was fasting until this hour; and at the ninth hour I prayed in my house, and, behold, a man stood before me in bright clothing,
Then came to him the disciples of John, saying, Why do we and the Pharisees fast oft, but thy disciples fast not?
2 Corinthians 6:5
In stripes, in imprisonments, in tumults, in labours, in watchings, in fastings;
2 Corinthians 11:27
In weariness and painfulness, in watchings often, in hunger and thirst, in fastings often, in cold and nakedness.
And the disciples of John and of the Pharisees used to fast: and they come and say unto him, Why do the disciples of John and of the Pharisees fast, but thy disciples fast not?
I fast twice in the week, I give tithes of all that I possess.