"the greatest at what you do" is by definition a zero sum framing that will lead 99.999% of participants to view their lives as a failure. It is literally madness to make this your goal.
The alternative is to choose to be very good at what you do, which has a good chance of success if you try hard at something you care about.
The alternative is to choose to be very good at what you do, which has a good chance of success if you try hard at something you care about.