One cannot long remain so absorbed in contemplation of emptiness without being increasingly attracted to it. In vain one bestows on it the name of infinity; this does not change its nature. When one feels such pleasure in non-existence, one's inclination can be completely satisfied only by completely ceasing to exist.

Each new generation is reared by its predecessor; the latter must therefore improve in order to improve its successor. The movement is circular.

By definition, sacred beings are separated beings. That which characterizes them is that there is a break of continuity between them and the profane beings.

It is science, and not religion, which has taught men that things are complex and difficult to understand.

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

Our excessive tolerance with regard to suicide is due to the fact that, since the state of mind from which it springs is a general one, we cannot condemn it without condemning ourselves; we are too saturated with it not partly to excuse it.

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.