Who lives as a citizen, may write as a philosopher - but write as a philosopher, it is to teach materialism!

Who lives as a citizen, may write as a philosopher - but write as a philosopher, it is to teach materialism!

The human body is a machine that winds up its own springs: it is a living image of the perpetual motion.

The English, who eat their meat red and bloody, show the savagery that goes with such food.

It is convention and arbitrary rewards which make all the merit and demerit of what we call vice and virtue.

Man is a machine and in the whole universe there is but a single substance, matter, variously modified.

The brain has muscles for thinking as the legs have muscles for walking.