"Better to be silent than to speak ill."

"The greatest pleasure in life is to do what people say you cannot do."

"A fish out of water is not more helpless than a man without an education."

"But if anyone thinks that it is a foolish thing to be wise, let him be advised that it is a much more foolish thing to be foolish."

"It is a most miserable thing to be a slave to one's own desires."