Your purpose in life is to find your purpose and give your whole heart and soul to it.

The first forty years of life give us the text; the next thirty supply the commentary on it.

Our life is frittered away by detail. Simplify, simplify.

Sow a thought and you get an act; Sow an act and you get a habit; Sow a habit and you get a character; Sow a character and you get a destiny.

The happiest is the person who suffers the least pain; the most miserable who enjoys the least pleasure.

I restore myself when I'm alone.

It is not the length of life, but the depth.

Science is the most reliable guide for civilization, for life, for success in the world. Searching a guide other than the science is meaning carelessness, ignorance and heresy.

Certain signs precede certain events.

Being ignorant is not so much a shame, as being unwilling to learn.

Crude classifications and false generalizations are the curse of organized life.

This thing of being a hero, about the main thing to it is to know when to die.

The things that come to those that wait may be the things left by those that got there first.

I am convinced we do not only love ourselves in others but hate ourselves in others too.

You only live once, but if you do it right, once is enough.

Is it progress if a cannibal uses a fork?

Nothing exists except atoms and empty space; everything else is opinion.

The true value of a human being is determined primarily by the measure and the sense in which he has attained to liberation from the self.

Life's a journey, not a destination.

Imagination and fiction make up more than three quarters of our real life.

He who is in love with himself has at least this advantage - he won't encounter many rivals.