The irrational in the human has something about it altogether repulsive and terrible, as we see in the maniac, the miser, the drunkard or the ape.

It would hardly be possible to exaggerate man's wretchedness if it were not so easy to overestimate his sensibility

It is possible to be a master in false philosophy, easier, in fact, than to be a master in the truth, because a false philosophy can be made as simple and consistent as one pleases.

Sanity is madness put to good use.

The Difficult is that which can be done immediately; the Impossible that which takes a little longer.

Each religion, so dear to those whose life it sanctifies, and fulfilling so necessary a function in the society that has adopted it, necessarily contradicts every other religion, and probably contradicts itself.

The habit of looking for beauty in everything makes us notice the shortcomings of things, our sense, hungry for complete satisfaction, misses the perfection it demands.