If that was the case, then there would be no heroes, there would be no luminaries and there would be no people who we would look up to. The world is ruled by people who get and up and go, by those who shout 'carpe diem' and leave the rest of us behind as they chase the shining star of their success.

It's what causes you to keep making changes at your job, or business, or whatever it is you do, until you are totally satisfied it's "right".