If one class of society is obliged, in order to live, to take any price for its services, while another can abstain from such action thanks to resources at its disposal which, however, are not necessarily due to any social superiority, the second has an unjust advantage over the first at law. In other words, there cannot be rich and poor a birth without there being unjust contracts.

Even one well-made observation will be enough in many cases, just as one well-constructed experiment often suffices for the establishment of a law.

Man is a moral being, only because he lives in society. Let all social life disappear and morality will disappear with it.

Man could not live if he were entirely impervious to sadness. Many sorrows can be endured only by being embraced, and the pleasure taken in them naturally has a somewhat melancholy character.

For a long time it has been known that the first systems of representations with which men have pictured to themselves the world and themselves were of religious origin. There is no religion that is not a cosmology at the same time that it is a speculation upon divine things. If philosophy and the sciences were born of religion, it is because religion began by taking the place of the sciences and philosophy.

Melancholy suicide. - This is connected with a general state of extreme depression and exaggerated sadness, causing the patient no longer to realize sanely the bonds which connect him with people and things about him. Pleasures no longer attract.

We do not condemn it because it is a crime, but it is a crime because we condemn it.