Money often costs too much.

Ralph Waldo Emerson, The Conduct of Life

The truth is not always beautiful, nor beautiful words the truth.

Laozi

It is not a lack of love, but a lack of friendship that makes unhappy marriages.

Friedrich Nietzsche

October 19. The inner world can only be experienced, not described.

Franz Kafka, The Blue Octavo Notebooks

No act of kindness, no matter how small, is ever wasted.

Aesop, The Lion and the Mouse

I think all the great religions of the world are both untrue and harmful. It is evident as a matter of logic that, since they disagree, not more than one of them can be true.

Bertrand Russell, Why I Am Not a Christian

I construct my memories with my present. I am lost, abandoned in the present. I try in vain to rejoin the past: I cannot escape.

Jean-Paul Sartre, Nausea

Cowards die many times before their deaths.

Julius Caesar

The most valuable moments and experiences that life has to offer are found only along its most treacherous paths.

Augusten Burroughs, This Is How

What more or better can be said of any condition of human affairs, than that it brings human beings themselves nearer to the best thing they can be? Or what worse can be said of any obstruction to good, than that it prevents this?

John Stuart Mill, On Liberty

Self-control is something for which I do not strive. Self-control means wanting to be effective at some random point in the infinite radiations of my spiritual existence.

Franz Kafka, The Zürau Aphorisms

Dare to think for yourself.

Voltaire

The human heart refuses To believe in a universe without a purpose.

Immanuel Kant

Man is always prey to his truths. Once he has admitted them, he cannot free himself from them.

Albert Camus, The Myth of Sisyphus

I have always observed that to succeed in the world one should appear like a fool but be wise.

Montesquieu, Pensées

In that daily effort in which intelligence and passion mingle and delight each other, the absurd man discovers a discipline that will make up the greatest of his strengths.

Albert Camus, The Myth of Sisyphus

If you know the enemy and know yourself, you need not fear the results of a hundred battles.

Sun Tzu