Improve the grammaticality: Some people believe that their first impressions of a person's character since they believe that their feelings are exact.
The,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
The first person is the first person who has the most knowledge of the world.
The second person is the second person who has the most knowledge of the world.
The third person is the third person who has the most knowledge of the world.
The fourth person is the fourth person who has the most knowledge of the world.
The fifth person is the fifth person who has the most knowledge of the world.
The sixth person is the sixth person who has the most knowledge of the world