'Fasting' in the Bible
'And when ye may fast, be ye not as the hypocrites, of sour countenances, for they disfigure their faces, that they may appear to men fasting; verily I say to you, that they have their reward.
'But thou, fasting, anoint thy head, and wash thy face,
that thou mayest not appear to men fasting, but to thy Father who is in secret, and thy Father, who is seeing in secret, shall reward thee manifestly.
And Jesus having called near his disciples, said, 'I have compassion upon the multitude, because now three days they continue with me, and they have not what they may eat; and to let them away fasting I will not, lest they faint in the way.'
and this kind doth not go forth except in prayer and fasting.'
And the disciples of John and those of the Pharisees were fasting, and they come and say to him, 'Wherefore do the disciples of John and those of the Pharisees fast, and thy disciples do not fast?'
and if I shall let them away fasting to their home, they will faint in the way, for certain of them are come from far.'
And he said to them, 'This kind is able to come forth with nothing except with prayer and fasting.'
And Cornelius said, 'Four days ago till this hour, I was fasting, and at the ninth hour praying in my house, and, lo, a man stood before me in bright clothing,
and in their ministering to the Lord and fasting, the Holy Spirit said, 'Separate ye to me both Barnabas and Saul to the work to which I have called them,'
And there having been long fasting, then Paul having stood in the midst of them, said, 'It behoved you, indeed, O men -- having hearkened to me -- not to set sail from Crete, and to save this hurt and damage;
And till the day was about to be, Paul was calling upon all to partake of nourishment, saying, 'Fourteen days to-day, waiting, ye continue fasting, having taken nothing,
Defraud not one another, except by consent for a time, that ye may be free for fasting and prayer, and again may come together, that the Adversary may not tempt you because of your incontinence;