Don't be concerned others not appreciating you. Be concerned about your not appreciating others.

He who has a why to live can bear with almost any how.

A tragedy means always a man's struggle with that which is stronger than man.

But I don't want comfort. I want God, I want poetry, I want real danger, I want freedom, I want goodness. I want sin.

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

I restore myself when I'm alone.

I am not young enough to know everything.

I have learned to seek my happiness by limiting my desires, rather than in attempting to satisfy them.

The past is the best prophet of the future.

If it is worth doing, it is worth overdoing.

The future is the shape of things to come.

A man who dares to waste one hour of life has not discovered the value of life

Between two evils, I always pick the one I never tried before.

We're born alone, we live alone, we die alone. Only through our love and friendship can we create the illusion for the moment that we're not alone.

The present is theirs; the future, for which I really worked, is mine.

Live as if you were living a second time, and as though you had acted wrongly the first time.

Do not wait for the last judgment. It comes every day.

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

It's only terrible to have nothing to wait for.

Time is the best killer.

I would rather entertain and hope that people learned something than educate people and hope they were entertained.