“In anger we should refrain both from speech and action.”

“Any person capable of angering you becomes your master.”

“Hatred is an affair of the heart; contempt that of the head.”

“A fool is known by hisspeech; and a wise man bysilence.”

“The oldest, shortest words - 'yes' and 'no' - are those which require the most thought.”

“Do not go to bed until you have gone over the day three times in your mind. What wrong did I do? What good did I accomplish? What did I forget to do?”

“The soul of man is divided into three parts, intelligence, reason, and passion. Intelligence and passion are possessed by other animals, but reason by man alone.”