"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."
"Religion is the masterpiece of the art of animal training, for it trains people as to how they shall think."
"We forfeit three-fourths of ourselves in order to be like other people."
"We can regard our life as a uselessly disturbing episode in the blissful repose of nothingness."
"We can come to look upon the deaths of our enemies with as much regret as we feel for those of our friends, namely, when we miss their existence as witnesses to our success."
"Happiness consists in frequent repetition of pleasure"