“There are no dangerous thoughts; thinking it-self is dangerous.”

No human life, not even the life of the hermit in nature’s wilderness, is possible without a world which directly or indirectly testifies to the presence of other human beings.

The last century has produced an abundance of ideologies that pretend to be keys to history but are actually nothing but desperate efforts to escape responsibility.

Forgiveness is the only way to reverse the irreversible flow of history.

For it is evident that those who regard the whole earth as their future territory will stress the organ of domestic violence and will rule conquered territory with police methods and personnel rather than with the army.

Revolutionary action more often than not was a theatrical concession to the desires of violently discontented masses rather than an actual battle for power.

For politics is not like the nursery; in politics obedience and support are the same.

If one is attacked as a Jew, one must defend oneself as a Jew. Not as a German, not as a world-citizen, not as an upholder of the Rights of Man.

Hitlerism exercised its strong international and inter-European appeal during the thirties because racism, although a state doctrine only in Germany, had been a powerful trend in public opinion everywhere.

Only crime and the criminal, it is true, confront us with the perplexity of radical evil; but only the hypocrite is really rotten to the core.

To be sure, we are still aware that thinking calls not only for intelligence and profundity but above all for courage.

And if he suffers, he must suffer for what he has done, not for what he has caused others to suffer.

The holes of oblivion do not exist. Nothing human is that perfect, and there are simply too many people in the world to make oblivion possible. One man will always be left alive to tell the story.

The curious sterility of utopias comes from the absence within them of any scope for initiative, any room for plurality.

There is no class that cannot be wiped out if a sufficient number of its members are murdered.

A life without thinking is quite possible; it then fails to develop its own essence – it is not merely meaningless; it is not fully alive. Unthinking men are like sleepwalkers

There are many great authors of the past who have survived centuries of oblivion and neglect, but it is still an open question whether they will be able to survive an entertaining version of what they have to say.

Stupidity is far more dangerous than evil, for evil takes a break from time to time, stupidity does not.

My mother groaned, my father wept,i nto the dangerous world I leapt.

Great things are won by great dangers.

The danger to America is not in the direction of the failure to maintain its economic position, but in the direction of the failure to maintain its ideals.

Real valor consists not in being insensible to danger; but in being prompt to confront and disarm it.

The most serious mistakes are not being made as a result of wrong answers. The true dangerous thing is asking the wrong question.

The greatest danger to our future is apathy.

I believe one of the most dangerous things in the world is living.