The snake which cannot cast its skin has to die.
There is no pre-established harmony between the furtherance of truth and the well-being of mankind.
Do not allow yourselves to be deceived: Great Minds are Skeptical.
The destiny of the human race is to widen the gap separating it from the lower races of animals. Any code of morality which retains its permanence and authority after the conditions of existence which gave rise to it have changed, works against this upward progress of man.
No one lies so boldly as the man who is indignant.
The empty, the one, the unmoved, the full, satiation, wanting nothing--that would be my evil: in short, dreamless sleep.