"Either write something worth reading or do something worth writing."

"Without freedom of thought there can be no such thing as wisdom; and no such thing as public liberty, without freedom of speech."

"When you're good to others, you are best to yourself."

"The great secret of succeeding in conversation is to admire little, to hear much, to contradict seldom, and to use all the good manners one can."

"He that is content, has enough."