“I can fast."
"I believe, that's everything!"
"And what's the use of that? For example, the fasting—what is it good for?"
"It is very good, sir. When a person has nothing to eat, fasting is the smartest thing he could do.
When, for example, Siddhartha hadn't learned to fast, he would have to accept any kind of service before this day is up, whether it may be with you or wherever, because hunger would force him to do so.”