Conversation would be vastly improved by the constant use of four simple words: I do not know.
Andre Maurois, or Emile Salomon Wilhelm Herzog, (July 26, 1885 October 9, 1967) was a French author and man of letters. "Andr Maurois" was a pen name that became his legal name in 1947.
Silent but deadly
See 'truisms' (3/8/08) at my homepage below...
I'm female, say nothing