Be silent or let thy words be worth more than silence.

Admiration is the daughter of ignorance.

Throw your heart over the fence and the rest will follow.

Muddy water is best cleared by leaving it alone.

If you don't want to slip up tomorrow, speak the truth today.

Empty your cup so that it may be filled; become devoid to gain totality.

There are things known and there are things unknown, and in between are the doors of perception.

Drop the idea of becoming someone, because you are already a masterpiece. You cannot be improved. You have only to come to it, to know it, to realize it.

A wise man can learn more from a foolish question than a fool can learn from a wise answer.

A good teacher protects his pupils from his own influence.

Adapt what is useful, reject what is useless, and add what is specifically your own.

There's no sense in being precise when you don't even know what you're talking about.

The greatest power we have is the power of choice.

It is not the strength, but the duration, of great sentiments that makes great men.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

Mistakes are always forgivable, if one has the courage to admit them.

Those who can not change their minds can not change anything.

How often it is that the angry man rages denial of what his inner self is telling him.

You can best serve civilization by being against what usually passes for it.

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