"Qualsiasi uomo notevole, chiunque cioè non appartenga a quei 5/6 dell'umanità dotati tanto miseramente dalla natura, rimarrà dopo i quarant'anni difficilmente esente da una certa traccia di misantropia."
"All truth passes through three stages: First, it is ridiculed; Second, it is violently opposed; Third, it is accepted as self-evident."
"After your death, you will be what you were before your birth."
"A sense of humour is the only divine quality of man"
"Religion is the masterpiece of the art of animal training, for it trains people as to how they shall think."
"We can regard our life as a uselessly disturbing episode in the blissful repose of nothingness."