"The sun, too, has its spots."

"He who learns from everyone is a wise man; he who learns from no one is a fool."

"When I have a little money, I buy books; and if I have any left, I buy food and clothes."

"It is not in everyone's power to be a good Christian, but it is in everyone's power to be a good man."

"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."