"If words are used to convey intelligence, and if that intelligence is misleading, then the words are being used to deceive."

"If you are to be strong, you must know how to be weak."

"Engage people with what they expect; it is what they are able to discern and what is to their advantage."

"Ponder and deliberate before you act."

"Move not unless you see an advantage; use not your troops unless there is something to be gained; fight not unless the position is critical."