They who lack talent expect things to happen without effort. They ascribe failure to a lack of inspiration or ability, or to misfortune, rather than to insufficient application. At the core of every true talent there is an awareness of the difficulties inherent in any achievement, and the confidence that by persistence and patience something worthwhile will be realized. Thus talent is a species of vigor.
Eric HofferEvery successful person has had failures but repeated failure is no guarantee of eventual success
Eric HofferIt takes a vice to check a vice, and virtue is the by-product of a stalemate between opposite vices.
Eric Hoffer