Consider the discipline of fasting

How and when do you fast?

"Once when John’s disciples and the Pharisees were fasting, some people came to Jesus and asked, “Why don’t your disciples fast like John’s disciples and the Pharisees do?”
(Mark 2:18 NLT)

“And when you fast, don’t make it obvious, as the hypocrites do, for they try to look miserable and disheveled so people will admire them for their fasting. I tell you the truth, that is the only reward they will ever get."
(Matthew 6:16 NLT)

There is a time to fast and a time to feast.

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