"If someone can prove me wrong and show me my mistake in any thought or action, I shall gladly change. I seek the truth, which never harmed anyone: the harm is to persist in one's own self-deception and ignorance."
"Dwell on the beauty of life. Watch the stars, and see yourself running with them."
"Here is a rule to remember in future, when anything tempts you to feel bitter: not "This is misfortune,"but "To bear this worthily is good fortune."
"The first rule is to keep an untroubled spirit. The second is to look things in the face and know them for what they are."
"How much time he gains who does not look to see what his neighbour says or does or thinks, but only at what he does himself, to make it just and holy."
"The best revenge is not to be like your enemy."