You believe I run after the strange because I do not know the beautiful; no, it is because you do not know the beautiful that I seek the strange.

Delight at having understood a very abstract and obscure system leads most people to believe in the truth of what it demonstrates.

Those who never have time do least

Sickness is mankind's greatest defect.

As I take up my pen I feel myself so full, so equal to my subject, and see my book so clearly before me in embryo, I would almost like to try to say it all in a single word.

God creates the animals, man creates himself.

Be wary of passing the judgment: obscure. To find something obscure poses no difficult, elephants and poodles find many things obscure.