Enjoy What You Already Have
Do not spoil what you have by desiring what you have not; remember that what you
now have was once among the things you only hoped for.
If we want to achieve our goals, while at the same time being happy and successful we need to have what Jack Canfield calls high intention with low attachment. Set the goals, set the target, and then let go of your attachment to it. Staying too attached to the outcome, or "spoiling what you have by desiring what you have not" is a lot like an impatient child's constant refrain of "are we there yet" on a long trip. It can spoil the trip, and after all it really is about the trip and not the destination.