"The greatest wisdom is to know oneself."

"To be alone is the fate of all great minds – a fate deplored at times, but still always chosen as the less grievous of two evils."

"The only truly happy people are children and idiots."

"The best thing a man can do is to avoid women."

"If children were brought into the world by an act of pure reason alone, would the human race continue to exist? Would not a man rather have so much sympathy with the coming generation as to spare it t…"