Not everything that can be counted counts, and not everything that counts can be counted.

Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.

If you do not know the laws of right conduct, you cannot form your character.

There is geometry in the humming of the strings. There is music in the spacing of the spheres.

There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.

It takes a great man to be a good listener.

Kind words don't cost much. Yet they accomplish much.

It is always advisable to perceive clearly our ignorance.

Stubborn and ardent clinging to one's opinion is the best proof of stupidity.

Fear doesn't exist anywhere except in the mind.

Science is organized knowledge. Wisdom is organized life.

Turn your wounds into wisdom.

For beautiful eyes, look for the good in others; for beautiful lips, speak only words of kindness; and for poise, walk with the knowledge that you are never alone.

I write with experiences in mind, but I don't write about them, I write out of them.

Fine clothes may disguise, but silly words will disclose a fool.

Without courage, wisdom bears no fruit.

If you do what you've always done, you'll get what you've always gotten.

The wise man should restrain his senses like the crane and accomplish his purpose with due knowledge of his place, time and ability.

We sometimes congratulate ourselves at the moment of waking from a troubled dream; it may be so the moment after death.

If you don't stand for something you will fall for anything.

Our society is run by insane people for insane objectives.