'Fasting' in the Bible

And it cometh to pass, at my hearing these words, I have sat down, and I weep and mourn for days, and I am fasting and praying before the God of the heavens.

And in the twenty and fourth day of this month have the sons of Israel been gathered, with fasting, and with sackcloth, and earth upon them;

And in every province and province, the place where the word of the king, even his law, is coming, a great mourning have the Jews, and fasting, and weeping, and lamenting: sackcloth and ashes are spread for many.

And I weep in the fasting of my soul, And it is for a reproach to me.

My knees have been feeble from fasting, And my flesh hath failed of fatness.

Then hath the king gone to his palace, and he hath passed the night fasting, and dahavan have not been brought up before him, and his sleep hath fled from off him.

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

And also now -- an affirmation of Jehovah, Turn ye back unto Me with all your heart, And with fasting, and with weeping, And with lamentation.