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

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

If religion has given birth to all that is essential in society, it is because the idea of society is the soul of religion.

A mind that questions everything, unless strong enough to bear the weight of its ignorance, risks questioning itself and being engulfed in doubt.

Faith is not uprooted by dialectic proof; it must already be deeply shaken by other causes to be unable to withstand the shock of argument.

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.