I can be free only to the extent that others are forbidden to profit from their physical, economic, or other superiority to the detriment of my liberty.

Men have been obliged to make for themselves a notion of what religion is, long before the science of religions started its methodical comparisons.

I can be free only to the extent that others are forbidden to profit from their physical, economic, or other superiority to the detriment of my liberty.

To pursue a goal which is by definition unattainable is to condemn oneself to a state of perpetual unhappiness.

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

Man cannot become attached to higher aims and submit to a rule if he sees nothing above him to which he belongs. To free him from all social pressure is to abandon him to himself and demoralize him.

There is a collective as well as an individual humor inclining peoples to sadness or cheerfulness, making them see things in bright or somber lights. In fact, only society can pass a collective opinion on the value of human life; for this the individual is incompetent.