“Because of the self-confidence with which he had spoken, no one could tell whether what he said was very clever or very stupid.”

“Napoleon, the man of genius, did this! But to say that he destroyed his army because he wished to, or because he was very stupid, would be as unjust as to say that he had brought his troops to Moscow because he wished to and because he was very clever and a genius”

“I never make stupid mistakes - only very, very clever ones.”

“The chief reason why the prince was so particularly disagreeable to Vronsky was that he could not help seeing himself in him. And what he saw in this mirror did not gratify his self-esteem. He was a very stupid and very self-satisfied and very healthy and very well-washed man, and nothing else... He was equable and not cringing with his superiors, was free and ingratiating in his behavior with his equals, and was contemptuously indulgent with his inferiors... for this prince he was an inferior, and his contemptuous and indulgent attitude to him revolted him.”

“The line between confidence and arrogance is very fine, Josh,” Flamel said quietly. “And the line between arrogance and stupidity even finer. Sophie,” he added, without looking at her.”

“Very often in everyday life one sees that by losing one's temper with someone who has already lost his, one does not gain anything but only sets out upon the path of stupidity. He who has enough self-control to stand firm at the moment when the other person is in a temper, wins in the end. It is not he who has spoken a hundred words aloud who has won; it is he who has perhaps spoken only one word.”