'Fasting' in the Bible

Now in the twenty and fourth day of this month the children of Israel were assembled with fasting, and with sackclothes, and earth upon them.

And in every province, whithersoever the king's commandment and his decree came, there was great mourning among the Jews, and fasting, and weeping, and wailing; and many lay in sackcloth and ashes.

But as for me, when they were sick, my clothing was sackcloth: I humbled my soul with fasting; and my prayer returned into mine own bosom.

When I wept, and chastened my soul with fasting, that was to my reproach.

My knees are weak through fasting; and my flesh faileth of fatness.

Therefore go thou, and read in the roll, which thou hast written from my mouth, the words of the LORD in the ears of the people in the LORD'S house upon the fasting day: and also thou shalt read them in the ears of all Judah that come out of their cities.

Then the king went to his palace, and passed the night fasting: neither were instruments of musick brought before him: and his sleep went from him.

And I set my face unto the Lord God, to seek by prayer and supplications, with fasting, and sackcloth, and ashes:

Therefore also now, saith the LORD, turn ye even to me with all your heart, and with fasting, and with weeping, and with mourning:

Then Jesus called his disciples unto him, and said, I have compassion on the multitude, because they continue with me now three days, and have nothing to eat: and I will not send them away fasting, lest they faint in the way.

Howbeit this kind goeth not out but by prayer and fasting.

And if I send them away fasting to their own houses, they will faint by the way: for divers of them came from far.

And he said unto them, This kind can come forth by nothing, but by prayer and fasting.

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,

And when they had ordained them elders in every church, and had prayed with fasting, they commended them to the Lord, on whom they believed.

And while the day was coming on, Paul besought them all to take meat, saying, This day is the fourteenth day that ye have tarried and continued fasting, having taken nothing.

Defraud ye not one the other, except it be with consent for a time, that ye may give yourselves to fasting and prayer; and come together again, that Satan tempt you not for your incontinency.