Open your arms to change, but don't let go of your values.

To protect our freedoms, it seems we're going to have to relinquish some of our freedoms for a short period of time.

It was my care to make my life illustrious not by words more than by deeds.

What would life be if we had no courage to attempt anything?

If I get married, I want to be very married.

Live your life as though your every act were to become a universal law.

What goes up must come down.

Being a hero is about the shortest-lived profession on earth.

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.

To be interested in the changing seasons is . . . a happier state of mind than to be hopelessly in love with spring.

Some days you're the bug, some days you're the windshield.

Doubt must be no more than vigilance, otherwise it can become dangerous.

How wonderful it is that nobody need wait a single moment before starting to improve the world.

Insanity in individuals is rare - but in groups, parties, nations, and epochs, it is the rule.

For life in general, there is but one decree: youth is a blunder, manhood a struggle, old age a regret.

I can't help thinking that there are only one or two ways of being brought into this world, but there are so many fucked-up ways of leaving it.

In the depth of winter, I finally learned that within me there lay an invincible summer.

The knowledge of oneself will preserve that person from vanity.

There is one common struggle against those who have appropriated the earth, the money, and the machines.

I think it can be shown that the law makes ten criminals where it restrains one.

Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.