It is almost axiomatic that the best conversationalist is really the best listener.
apathy is about as near to the undertaker as you can get.
There is nothing more boring than a bored person.
Self-love is so monogamous that no one is going to take the trouble to break the affair up for you.
People are much more fascinated by your interests than they are by your opinions.
Out of sight, out of mind' applies with even greater force to entertainers than to lovers.