Noise is the most impertinent of all forms of interruption. It is not only an interruption, but also a disruption of thought.

Materialism is the philosophy of the subject who forgets to take account of himself.

No one writes anything worth writing, unless he writes entirely for the sake of his subject.

The heavy armor becomes the light dress of childhood; the pain is brief, the joy unending.

The alchemists in their search for gold discovered many other things of greater value.

Any book, which is at all important, should be reread immediately

Want and boredom are indeed the twin poles of human life.