“Cleverness is not wisdom.”

“And, conversely, she went on to herself, sneering at the Grand Duke's palace, poverty is wasted on the poor, who never know how to make the best of things, are only the rich without money, are just...”

“In wars, boy, fools kill other fools for foolish causes”

“He that breaks a thing to find out what it is has left the path of wisdom.”

“Well, pray if you like, only you'd do better to use your judgment.”

“...reason rationalizes reality for him (Dr. Nathan) as it does for the rest of us, in the Freudian sense of providing a more palatable or convenient explanation, and there are so many subjects abou...”

“Writing my own novels in the '90s...I never imagined that in ten years, science and rationality would require explanation and defense in a world rocked and ruled by religious fervor. ”

“I am older than you. Believe me, there is no other way to live on earth. Men are not open to truth or reason. They cannot be reached by a rational argument. The mind is powerless against them. Yet ...”

“The relationship between truth and reason:"Truth cannot be reached by reason alone!”

“I writeNotFor the sake of gloryNot For the sake of fameNotFor the sake of successBut for the sake of my soul”