Matthew 9:14
Then came to him the disciples of John, saying, Why do we and the Pharisees fast oft, but your disciples fast not?
Nave's Topical Index—AKJV

Mark 2:18
And the disciples of John and of the Pharisees used to fast: and they come and say to him, Why do the disciples of John and of the Pharisees fast, but your disciples fast not?
Nave's Topical Index—AKJV

Luke 18:12
I fast twice in the week, I give tithes of all that I possess.
Nave's Topical Index—AKJV