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

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.

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.

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

Science cannot describe individuals, but only types. If human societies cannot be classified, they must remain inaccessible to scientific description.

That men have an interest in knowing the world which surrounds them, and consequently that their reflection should have been applied to it at an early date, is something that everyone will readily admit.

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