He knew now that it was his own will to happiness which must make the next move. But if he was to do so, he realized that he must come to terms with time, that to have time was at once the most magnificent and the most dangerous of experiments. Idleness is fatal only to the mediocre.

There is scarcely any passion without struggle.

The mind's deepest desire, even in its most elaborate operations, parallels man's unconscious feeling in the face of his universe: it is an insistence upon familiarity, an appetite for clarity.

We get into the habit of living before acquiring the habit of thinking.

At 30 a man should know himself like the palm of his hand, know the exact number of his defects and qualities, know how far he can go, foretell his failures - be what he is. And, above all, accept these things.

In order to exist, man must rebel, but rebellion must respect the limits that it discovers in itself - limits where minds meet, and in meeting, begin to exist.

Where there is no hope, we must invent it.