People buy their necessities in shops and have to pay dearly for them because they have to assist in paying for what is also on sale there but only rarely finds purchasers: the luxury and amusement goods. So it is that luxury continually imposes a tax on the simple people who have to do without it.

In constructing concepts, we overlook the fact that no two things are the same. There is no such thing as the concept of a leaf, only billions and billions of leaves.

Wherever progress is to ensue, deviating natures are of greatest importance.

Sins are indispensable to every society organized on an ecclesiastical basis; they are the only reliable weapons of power; the priest lives upon sins; it is necessary to him that there be sinning.

For nothing is more democratic than logic; it is no respecter of persons and makes no distinction between crooked and straight noses.

Man, full of emptiness and torn apart with homesickness for the desert has had to create from within himself an adventure, a torture-chamber, an unsafe and hazardous wilderness- this fool, this prisoner consumed with longing and despair, became the inventor of 'bad conscience'.

It is certainly not the least charm of a theory that it is refutable.