When proven wrong, the wise man will correct himself and the ignorant will keep arguing.

He who guards his secrets retains control in his own hands

Perfecting one's intellect causes one to speak less, and those words spoken will be adorned with wisdom.

Silence is the garden of thought.

Asceticism is not that you should not own anything, but that nothing should own you.

Never explain yourself to anyone, because the one who likes you would not need it, and the one dislikes you wouldn't believe it.

A man's worth depends upon the nobility of his aspirations.