“People who have no weaknesses are terrible; there is no way of taking advantage of them.”

“Time deals gently only with those who take it gently.”

“Awaken people's curiosity. It is enough to open minds, do not overload them. Put there just a spark.”

“When a thing has been said and said well, have no scruple. Take it and copy it.”

“Never lend books, for no one ever returns them; the only books I have in my library are books that other folks have lent me.”

“It is by acts and not by ideas that people live.”

“Stupidity is far more dangerous than evil, for evil takes a break from time to time, stupidity does not.”