Our science has become terrible, our research dangerous, our findings deadly. We physicists have to make peace with reality. Reality is not as strong as we are. We will ruin reality.

Who sows fear, reaps weapons.

A story has been thought through to the end when it has taken the worst possible turn.

For people who have no critical acumen, a state is a mythical entity, for those who think critically it is a rational fiction, created by man in order to facilitate human coexistence.

Someone who is about to die does not mourn the dead.

The freedom of each individual can only be the freedom of all.

The savages don't have atom bombs.

Everything in the world can be changed, my dear Florestan, but the human being.

Before anything else, we need a new age of Enlightenment. Our present political systems must relinquish their claims on truth, justice and freedom and have to replace them with the search for truth, justice, freedom and reason.

Today's Communism can survive only if it abandons the myth of an infallible party, if it continues to think, and if it becomes democratic.

When death has you by the throat, you don't mince words.

People like us who are on their last leg can only understand comedies.

Everything that is necessary is also easy. You just have to accept it. And the most necessary, the most natural matter on this planet is death.

The only remedy against hunger is reasonable birth control.

Today's difference between Russia and the United States is that in Russia everybody takes everybody else for a spy, and in the United States everybody takes everybody else for a criminal.

Emotions have no place in business, unless you do business with them.

Resistance at all cost is the most senseless act there is.

Truth is always a delusion.

It is surely easier to confess a murder over a cup of coffee than in front of a jury.

We are the world.

Nothing that has been thought can ever be taken back.

Communism is a proposition to structure the world more reasonably, a proposition for changing the world. As such, we have to analyze it and, if we deem it reasonable, act upon it.

Whoever is content with the world, and who profits from its lack of justice, does not want to change it.

Human life is beyond comprehension.

There are thoughts we must not think.

It is inhuman to continue a war which could easily be ended.

This inhuman world has to become more humane. But how?

A state always calls itself fatherland when it is ready for murder.

For a person who is dying only eternity counts.

Above all, be suspicious of your fatherland. Nobody is more inclined to become a murderer than a fatherland.

One does not set fire to a world which is already lost.

The problems of all of humanity can only be solved by all of humanity.

Power is paradoxical.

So then learn to conquer your fear. This is the only art we have to master nowadays: to look at things without fear, and to fearlessly do right.

We do not consider patriotism desirable if it contradicts civilized behavior.

The rightful claim to dissent is an existential right of the individual.

The worst possible turn can not be programmed. It is caused by coincidence.

Revolutions demand enormous sacrifices and, at the same time, create a new need to change the world again.

In a society which is structured the wrong way, piety has no effect.

You can't take back an act you were able to think.

Only the freedom of mind can prevent the state from becoming totalitarian and from issuing totalitarian demands.

The art of the cuisine, when fully mastered, is the one human capability of which only good things can be said.

Justice is horrible.

There is a moment when nothing can be wiped out and left behind any more, when there is only reality and reality is horrifying.

World history is tragic.

Our science has become terrible, our research dangerous, our findings deadly. We physicists have to make peace with reality. Reality is not as strong as we are. We will ruin reality.

There are risks which are not acceptable: the destruction of humanity is one of them.

A story is not finished, until it took the worst turn.

It is easy to kill when you don't see your victim.