A good leader is one who can tell another how to reach his or her potential; a great leader is one who can help another discover this potential for him or herself.
Avoiding the phrase "I don't have time...", will soon help you to realize that you do have the time needed for just about anything you choose to accomplish in life.
Enthusiasm is not the same as just being excited. One gets excited about going on a roller coaster. One becomes enthusiastic about creating and building a roller coaster.
Every day, people settle for less than they deserve. They are only partially living or at best living a partial life. Every human being has the potential for greatness.