A story has been thought to its conclusion when it has taken its worst possible turn.

A reasonable change of the world can not be instrumented by pure reason.

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

A world is in flames, and you are cracking silly jokes.

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.

It is bad luck for world history that of all people the Russians adopted Communism, because they are totally unfit for it.

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.