While strength is the natural quality of an individual seen in isolation, power springs up between men when they act together and vanishes the moment they disperse.

In contrast to revenge, which is the natural, automatic reaction to transgression and which, because of the irreversibility of the action process can be expected and even calculated, the act of forgiving can never be predicted; it is the only reaction that acts in an unexpected way and thus retains, though being a reaction, something of the original character of action.

The human condition is such that pain and effort are not just symptoms which can be removed without changing life itself; they are the modes in which life itself, together with the necessity to which it is bound, makes itself felt. For mortals, the easy life of the gods would be a lifeless life.

War has become a luxury that only small nations can afford.

When an old truth ceases to be applicable, it does not become any truer by being stood on its head.

The earth is the very quintessence of the human condition.

If the ability to tell right from wrong should have anything to do with the ability to think, then we must be able to 'demand' its exercise in every sane person no matter how erudite or ignorant.