I am not a Catholic; but I consider the Christian idea, which has its roots in Greek thought and in the course of the centuries has nourished all of our European civilization, as something that one cannot renounce without becoming degraded.

Joy is being fully aware of reality.

The future is made of the same stuff as the present.

Nothing is worse than extreme affliction which destroys the "I" from the outside, because after that we can no longer destroy it ourselves.

Why is it that reality, when set down untransposed in a book, sounds false?

The appetite for power, even for universal power, is only insane when there is no possibility of indulging it; a man who sees the possibility opening before him and does not try to grasp it, even at the risk of destroying himself and his country, is either

science has now been for a long time - and to an ever-increasing extent - a collective enterprise. Actually, new results are always, in fact, the work of specific individuals; but, save perhaps for rare exceptions, the value of any result depends on such a complex set of interrelations with past discoveries and possible future researches that even the mind of the inventor cannot embrace the whole.