Set Reachable Goals

A goal is nothing more than a dream with a time limit.
Yes, your grasp should exceed your present reach. But not by such a margin that you become discouraged and give up.
Ambition is wonderful. But your goals should be attainable, so that you find working toward them a source of pleasure and not hopeless drudgery.
Remember: The best way to eat the elephant standing in your path is one bite at a time.