"There is no true love save in suffering, and in this world we have to choose either love, which is suffering, or happiness. Man is the more man - that is, the more divine - the greater his capacity for suffering, or rather, for anguish."

"Was man made for science, or was science made for man?"

"Talking to a peasant one day, I suggested to him the hypothesis that there might indeed be a God who governs heaven and earth, a Consciousness or Conscience of the Universe, but that even so it would not be sufficient reason to assume that the soul of every man was immortal in the traditional and concrete sense. And he replied, "Then what good is God?"

"Man habitually sacrifices his life to his purse, but he sacrifices his purse to his vanity."

"Man dies of cold, not of darkness."

"Man is perishing. That may be, and if it is nothingness that awaits us let us so act that it will be an unjust fate."

"Whenever a man talks he lies, and so far as he talks to himself - that is to say, so far as he thinks, knowing that he thinks - he lies to himself. The only truth in human life is that which is physiological. Speech - this thing that they call a social product - was made for lying."