Shut the door of that house of pleasure which you hear resounding with the loud voice of a woman.

To him who is stinted of food a boiled turnip will relish like a roast fowl.

However much you study, you cannot know without action. A donkey laden with books is neither an intellectual nor a wise man. Empty of essence, what learning has he whether upon him is firewood or book?

The sea does not contain all the pearls, the earth does not enclose all the treasures, and the flint-stone does not inclose all the diamonds, since the head of man encloses wisdom.

Expose not the secret failings of mankind, otherwise you must verily bring scandal upon them and distrust upon yourself.

Capacity without education is deplorable, and education without capacity is thrown away.

Where the hand of tyranny is long we do not see the lips of men open with laughter.