The majority of men meet with failure because of their lack of persistence in creating new plans to take the place of those which fail.
Napoleon HillThe only thing over which you have complete right of control at all times is your mental attitude.
Napoleon HillIf you can keep on trying after three failures in a given undertaking you may consider yourself a 'suspect' as a potential leader in your chosen occupation. If you can keep on trying after a dozen failures the seed of a genius is germinating within your soul.
Napoleon Hill