No guilt is forgotten so long as the conscience still knows of it.

But in the intellectual world, there is room for all opposing forces: even that which never appears victorious in the real world continues to be effective as a dynamic force (in the intellectual world) and precisely the unfulfilled ideals prove to be the most invincible.

In 1938, after Austria, our universe had become accustomed to inhumanity, to lawlessness, and brutality as never in centuries before. In a former day the occurrences in unhappy Vienna alone would have been sufficient to cause international proscription, but in 1938 the world conscience was silent or merely muttered surlily before it forgot and forgave.

Heroic ages are not and never were sentimental and those daring conquistadores who conquered entire worlds for their Spain or Portugal received lamentably little thanks from their kings.

In history, the moments during which reason and reconciliation prevail are short and fleeting.

Again and again, faith in a possible satisfaction of the human race breaks through at the very moments of most zealous discord because humankind will never be able to live and work without this consoling delusion of its ascent into morality, without this dream of final and ultimate accord.

Fear is a distorting mirror in which anything can appear as a caricature of itself, stretched to terrible proportions; once inflamed, the imagination pursues the craziest and most unlikely possibilities. What is most absurd suddenly seems the most probable.