#discretion

"Those who possess wisdom cannot just ladle it out to every wantwit and jackanapes who comes along and asks for it. A person must be prepared to receive wisdom, or else it will do him more harm than good. Moreover, a lout thrashing about in the clear waters of wisdom will dirty those waters for everyone else."

"One should never trust a woman who tells one her real age. A woman who would tell one that would tell one anything."