“There is Auschwitz, and so there cannot be God.”

To be considered stupid and to be told so is more painful than being called gluttonous, mendacious, violent, lascivious, lazy, cowardly: every weakness, every vice, has found its defenders, its rhetoric, its ennoblement and exaltation, but stupidity hasn’t.

The problem to be solved, the mystery to be clarified. It is never a matter of civil war; even though of different opinions, or of different political leanings, scientists dispute each other, they compete.

Is anything sadder than a trainThat leaves when it’s supposed to,That has only one voice,Only one route?There’s nothing sadder.Except perhaps a cart horse,Shut between two shaftsAnd unable even to look sideways.

Sooner or later in life everyone discovers that perfect happiness is unrealizable, but there are few who pause to consider the antithesis: that perfect unhappiness is equally unattainable.

We would not think them so beautiful if they did not fly, or if they flew straight and briskly like bees, or if they stung, or above all if they did not enact the perturbing mystery of metamorphosis: the latter assumes in our eyes the value of a badly decoded message, a symbol, a sign.

I am constantly amazed by man’s inhumanity to man.

The sea’s only gifts are harsh blows and, occasionally, the chance to feel strong.

The work of bestial degradation, begun by the victorious Germans, had been carried to its conclusion by the Germans in defeat.

In order for the wheel to turn, for life to be lived, impurities are needed, and the impurities of impurities in the soil, too, as is known, if it is to be fertile. Dissension, diversity, the grain of salt and mustard are needed:.

Man is a centaur, a tangle of flesh and mind, divine inspiration and dust.

We must be listened to: above and beyond our personal experience.

The future of humanity is uncertain, even in the most prosperous countries, and the quality of life deteriorates; and yet I believe that what is being discovered about the infinitely large and infinitely small is sufficient to absolve this end of the century and millennium.

Our ignorance allowed us to live, as you are in the mountains, and your rope is frayed and about to break, but you don’t know it and feel safe.

To accuse another of having weak kidneys, lungs, or heart, is not a crime; on the contrary, saying he has a weak brain is a crime.

To give a name to a thing is as gratifying as giving a name to an island, but it is also dangerous: the danger consists in one’s becoming convinced that all is taken care of and that once named, the phenomenon has also been explained.

A scientist’s life, the author says, is indeed conflictual, formed by battles, defeats, and victories: but the adversary is always and only the unknown.