“My pessimism goes to the point of suspecting the sincerity of the pessimists.”

“Beauty in art is often nothing but ugliness subdued.”

“Never feel remorse for what you have thought about your wife she has thought much worse things about you. ”

“Stupidity, outrage, vanity, cruelty, iniquity, bad faith, falsehood - we fail to see the whole array when it is facing in the same direction as we.”

“Nothing leads the scientist so astray as a premature truth.”

“Truth is always served by great minds, even if they fight it.”

“The least one can say of power is that a vocation for it is suspicious.”

“My pessimism goes to the point of suspecting the sincerity of the pessimists.”

“God that dumping ground of our dreams.”

“The obligation to endure gives us the right to know.”

“Science has made us gods even before we are worthy of being men.”