If you have discovered a truth, tell it first to a parrot! Every new truth needs an insistent repetition!
Victory is a good wine; defeat is a good university!
You can't win every battle! You must have the word Defeat in your dictionary; if not, defeat will triumph even more strongly!
Anything easy teaches you nothing! To learn something, have some difficulties!
If love and death did not exist, tears would not exist as well!
A day in which you do goodness far away from the crowds is indeed a very good day!