To a wise and good man the whole earth is his fatherland.

One never notices what has been done; one can only see what remains to be done.

Desire is poverty. Desire is the greatest impurity of the mind. Desire is the motive force for action. Desire in the mind is the real impurity. Even a spark of desire is a very great evil.

The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.

Whatever it is you're seeking won't come in the form you're expecting.

Knowing is not enough, we must apply. Willing is not enough, we must do.

It has seemed to be more necessary to have regard to the weight of words rather than to their number.

If you have no problems, then you have no clue to what is going.

He who can destroy a thing, can control a thing.

To me, being an intellectual doesn't mean knowing about intellectual issues; it means taking pleasure in them.

It is always advisable to perceive clearly our ignorance.

Real knowledge is to know the extent of one's ignorance.

I think about the meaning of pain. Pain is personal. It really belongs to the one feeling it. Probably the only thing that is your own. I like mine.

The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

Don't expect to build up the weak by pulling down the strong.

Share our similarities, celebrate our differences.

One who loses wealth loses much. One who loses a friend loses more. But one who loses courage loses all.

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

Man's sensitivity to the little things and insensitivity to the greatest are the signs of a strange disorder.

Medicine heals diseases of the body, wisdom frees the soul from passions.

To avoid criticism say nothing, do nothing, be nothing.