"In solitude we are in the presence of mere matter (even the sky, the stars, the moon, trees in blossom), things of less value (perhaps) than a human spirit. Its value lies in the greater possibility of attention."

"To us, men of the West, a very strange thing happened at the turn of the century; without noticing it, we lost science, or at least the thing that had been called by that name for the last four centuries. What we now have in place of it is something different, radically different, and we don't know what it is. Nobody knows what it is."

"The afflicted are not listened to. They are like someone whose tongue has been cut out and who occasionally forgets the fact. When they move their lips no ear perceives any sound. And they themselves soon sink into impotence in the use of language, because of the certainty of not being heard."

"The joy of learning is as indispensable in study as breathing is in running. Where it is lacking there are no real students, but only poor caricatures of apprentices who, at the end of their apprenticeship, will not even have a trade."

"Purity is the power to contemplate defilement."

"Pain is the root of knowledge"

"The proper method of philosophy consists in clearly conceiving the insoluble problems in all their insolubility and then in simply contemplating them, fixedly and tirelessly, year after year, without any hope, patiently waiting."

"There is one, and only one, thing in modern society more hideous than crime namely, repressive justice."

"There is something else which has the power to awaken us to the truth. It is the works of writers of genius. They give us, in the guise of fiction, something equivalent to the actual density of the real, that density which life offers us every day but which we are unable to grasp because we are amusing ourselves with lies."