1-He who wishes to be rich in a day will be hanged in a year....Leonardo Da Vinci.
2-Remember: Success is nothing but luck.Just ask any Failure....Anonymous
3-A life spent in making Mistakes is not only more honourable but more useful than a life spent doing nothing....Goerge Benerd Shaw.
4-If you cant make a mistake,you cant make anything....Marva Collins.
5-He who is not courageous enough to take risks will accomplish nothing in life....Muhammad Ali

Here are just a few....you could add yours for us to share... I will keep adding more.