Lucky opportunities are like grains of sand. They drift right past a limp hand, but an active palm can gather whatever is within reach and shape it i… - James Clear

Focus on whether you are fulfilling your own potential than comparing yourself to someone else. The fact that you have a natural limit to any specific ability has nothing too do with whether you are reaching the ceiling of your capabilities. People get so caught up in the fact that they have limits that they rarely exert the effort required to get close to them.
Genes can not make you successful if you’re not doing the work. Until you work as hard as those you admire, don’t explain away their success as luck.

Optimists win in the long-run because their miscalculation of how long it will take or how likely it is to succeed motivates them to give it a try.

If you knew how hard it would be and how long it would take in the beginning then you might not try in the first place.

You can't guarantee success, but you can guarantee failure: never try.

The best exercise for gaining strength is not missing workouts.