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

"There is no society known where a more or less developed criminality is not found under different forms. No people exists whose morality is not daily infringed upon. We must therefore call crime neces…"

"Every time a social phenomenon is directly explained by a psychological phenomenon, we may rest assured that the explanation is false."

"Suicide is not a private act, but a social phenomenon."

"One cannot long remain so absorbed in contemplation of emptiness without being increasingly attracted to it. In vain one bestows on it the name of infinity; this does not change its nature. When one f…"