Fortune knocks but once, but misfortune has much more patience.

A man convinced against his will is not convinced.

You don't need to take a persons advice to make him feel good, just ask him for it.

In most hierarchies, supercompetence is more objectionable than incompetence.

Cleaning anything involves making something else dirty, but anything can get dirty without something else getting clean.

Prejudice is one of the world's greatest labor-saving devices; it enables you to form an opinion without having to dig up the facts.

Bore : A fellow who can change the subject back to his topic of conversation faster than you can change it back to yours.