The more you look at 'common knowledge', the more you realise that it is more likely to be common than it is to be knowledge. No real knowledge is common.

The Sufi is One who does not care when something is taken from him, but who does not cease to seek for what he has not.

You must empty out the dirty water before you fill the pitcher with clean.

A man who believes the word of a donkey in preference to my word does not deserve to be lent anything.

The more wakeful a man is to the things which surround him, the more asleep is he, and his waking is worse than his sleep.

The chicken had his wish, and was magically transformed into a fox. Then he found that he could not digest grain.

Effort makes some great men famous. Even greater effort enables other great men to remain unknown.