When man discovered the mirror, he began to lose his soul.

Each victim of suicide gives his act a personal stamp which expresses his temperament, the special conditions in which he is involved, and which, consequently, cannot be explained by the social and general causes of the phenomenon.

At first sight, one does not see what relations there can be between religion and logic.

Man is only a moral being because he lives in society, since morality consists in solidarity with the group, and varies according to that solidarity. Cause all social life to vanish, and moral life would vanish at the same time, having no object to cling to.

When morals are sufficient, law is unnecessary; when morals are insufficient, law is unenforceable.

One does not advance when one walks toward no goal, or - which is the same thing - when his goal is infinity.

A person is not merely a single subject distinguished from all the others. It is especially a being to which is attributed a relative autonomy in relation to the environment with which it is most immediately in contact.