One must know oneself. If this does not serve to discover truth it at least serves as a rule of life and there is nothing better.
The heart has its reasons of which reason knows nothing.
Tell the truth work hard and come to dinner on time.
I don't know many people if any who have had some straight line toward success. I mean they start here they work hard they've got what it takes and they just go straight to the top over some number of years. Most people get a little failure.