Some folks seem to have descended from the chimpanzee much later than others.
It ain't a bad plan to keep still occasionally even when you know what you're talking about.
Very often the quiet fellow has said all he knows
There's another advantage to being poor - a doctor will cure you faster.
No one can feel as helpless as the owner of a sick goldfish.
Honesty pays, but it doesn't seem to pay enough to suit some people.