When you go without eating, don't try to look gloomy as those show-offs do when they go without eating. I can assure you that they already have their reward.
So David went without eating to show his sorrow, and he begged God to make the boy well. David would not sleep on his bed, but spent each night lying on the floor.
His officials said, “What are you doing? You went without eating and cried for your son while he was alive! But now that he's dead, you're up and eating.”
“Bring together all the Jews in Susa and tell them to go without eating for my sake! Don't eat or drink for three days and nights. My servant girls and I will do the same. Then I will go in to see the king, even if it means I must die.”
Then, to show my sorrow, I went without eating and dressed in sackcloth and sat in ashes. I confessed my sins and earnestly prayed to the LORD my God: Our Lord, you are a great and fearsome God, and you faithfully keep your agreement with those who love and obey you.
When you give to the poor, don't blow a loud horn. That's what show-offs do in the meeting places and on the street corners, because they are always looking for praise. I can assure you that they already have their reward.
When you pray, don't be like those show-offs who love to stand up and pray in the meeting places and on the street corners. They do this just to look good. I can assure you that they already have their reward.
The followers of John the Baptist and the Pharisees often went without eating. Some people came and asked Jesus, “Why do the followers of John and those of the Pharisees often go without eating, while your disciples never do?”
Cornelius answered: Four days ago at about three o'clock in the afternoon I was praying at home. Suddenly a man in bright clothes stood in front of me.
Paul and Barnabas chose some leaders for each of the churches. Then they went without eating and prayed that the Lord would take good care of these leaders.
So don't refuse sex to each other, unless you agree not to have sex for a little while, in order to spend time in prayer. Then Satan won't be able to tempt you because of your lack of self-control.
I have worked and struggled and spent many sleepless nights. I have gone hungry and thirsty and often had nothing to eat. I have been cold from not having enough clothes to keep me warm.