Decisive inventions and discoveries always are initiated by an intellectual or moral stimulus as their actual motivating force, but, usually, the final impetus to human action is given by material impulses ... merchants stood as a driving force behind the heroes of the age of discovery; this first heroic impulse to conquer the world emanated from very mortal forces

Every wave, regardless of how high and forceful it crests, must eventually collapse within itself.

We live through myriads of seconds, yet it is always one, just one, that casts our entire inner world into turmoil, the second when (as Stendhal has described it) the internal inflorescence, already steeped in every kind of fluid, condenses and crystallizes—a magical second, like the moment of generation, and like that moment concealed in the warm interior of the individual life, invisible, untouchable, beyond the reach of feeling, a secret experienced alone. No algebra of the mind can calculate it, no alchemy of premonition divine it, and it can seldom perceive itself.

I hadn't had a book in my hands for four months, and the mere idea of a book where I could see words printed one after another, lines, pages, leaves, a book in which I could pursue new, different, fresh thoughts to divert me, could take them into my brain, had something both intoxicating and stupefying about it.

Never can the innate power of a work be hidden or locked away. A work of art can be forgotten by time; it can be forbidden and rejected but the elemental will always prevail over the ephemeral.

All I know is that I shall be alone again. There is nothing more terrible than to be alone among human beings.

Health alone does not suffice. To be happy, to become creative, man must always be strengthened by faith in the meaning of his own existence.