"And if you gaze long into an abyss, the abyss gazes also into you."

"And we should call every truth false which was not accompanied by at least one laugh."

"The snake which cannot cast its skin has to die. As well the minds which are prevented from changing their opinions; they cease to be mind."

"I know my fate. One day my name will be associated with the memory of something tremendous — a crisis without equal on earth, the most profound collision of conscience, a decision that was conjured up…"

"Only sick people have moral systems."