It is not human nature which can assign the variable limits necessary to our needs. They are thus unlimited so far as they depend on the individual alone. Irrespective of any external regulatory force, our capacity for feeling is in itself an insatiable and bottomless abyss.

A monomaniac is a sick person whose mentality is perfectly healthy in all respects but one; he has a single flaw, clearly localized. At times, for example, he has an unreasonable and absurd desire to drink or steal or use abusive language; but all his other acts and all his other thoughts are strictly correct.

When mores are sufficient, laws are unnecessary. When mores are insufficient, laws are unenforceable.

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.

It is too great comfort which turns a man against himself. Life is most readily renounced at the time and among the classes where it is least harsh.

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

This solidarity can grow only in inverse ratio to personality... Solidarity which comes from likenesses is at its maximum when the collective conscience completely envelops our whole conscience and coincides in all points with it... when this solidarity exercises its force, our personality vanishes, as our definition permits us to say, for we are no longer ourselves, but the collective life.