Every person is unique and different.
This sentence also implies that the world is not absolutely fair, as some people are born to run faster, fly higher, jump further, and be more intelligent and beautiful.
If we acknowledge the principle of more work, more reward, it inevitably means that wealth disparity will occur.
The side that acquires more and more resources will also become increasingly powerful.
According to natural evolution, the strong individuals will be continuously selected and survive, while the weaker ones will be eliminated.
But the development of civilization is different from nature, the power of a group, or collective, far outweighs the individual, and even the weakest individuals, when united, can easily defeat strong but dispersed opponents.
In order for countless individuals to willingly unite and coalesce, their interests must be considered, they must be given due rewards, and a fair system and environment must be safeguarded.