The highest, most varied and lasting pleasures are those of the mind.

Consciousness makes the individual careful to maintain his own existence; and if this were not so, there would be no surety for the preservation of the species. From all this it is clear that individuality is not a form of perfection, but rather a limitation; and so to be freed from it is not loss but gain.

That I could clamber to the frozen moon. And draw the ladder after me.

If there is anything in the world that can really be called a man's property, it is surely that which is the result of his mental activity.

Reading is a mere makeshift for original thinking.

Nature shows that with the growth of intelligence comes increased capacity for pain, and it is only with the highest degree of intelligence that suffering reaches its supreme point.

There are 80,000 prostitutes in London alone and what are they, if not bloody sacrifices on the altar of monogamy?