And the disciples of John and of the Pharisees used to fast: and they came and said unto him, Why do the disciples of John and of the Pharisees fast, but your disciples fast not?
All Commentaries on Mark 2:18 Go To Mark 2
Tertullian of Carthage
AD 220
At all events, in the Gospel they think that those days were definitely appointed for fasts in which "the Bridegroom was taken away; "