The indifference of children towards meat is one proof that the taste for meat is unnatural; their preference is for vegetable foods...Beware of changing this natural taste and making children flesh-eaters, if not for their health's sake, for the sake of their character; for how can one explain away the fact that great meat-eaters are usually fiercer and more cruel than other men; this has been recognised at all times and in all places.

The man is best served who has no occasion to put the hands of others at the end of his own arms.

The passions are the voice of the body.

Our affections as well as our bodies are in perpetual flux.

Social man lives constantly outside himself.

Smell is the sense of memory and desire.

Ordinary readers, forgive my paradoxes: one must make them when one reflects; and whatever you may say, I prefer being a man with paradoxes than a man with prejudices.