1= If you tell the truth you don't have to remember anything .
2= Wise men talk because they have something to say; fools, because they have to say something.
3= It is not enough to do your best; you must know what to do, and THEN do your best.
4=When one door of happiness closes, another opens: but often we look so long at the closed door that we do not see the one which has been opened for us.