Irrespective of any external, regulatory force, our capacity for feeling is in itself an insatiable and bottomless abyss.

The wise man, knowing how to enjoy achieved results without having constantly to replace them with others, finds in them an attachment to life in the hour of difficulty.

Socialism is not a science, a sociology in miniature: it is a cry of pain.

The totality of beliefs and sentiments common to the average members of a society forms a determinate system with a life of its own. It can be termed the collective or creative consciousness.

A mind that questions everything, unless strong enough to bear the weight of its ignorance, risks questioning itself and being engulfed in doubt.

Religious phenomena are naturally arranged in two fundamental categories: beliefs and rites. The first are states of opinion, and consist in representations; the second are determined modes of action.

Social life comes from a double source, the likeness of consciences and the division of social labour.