This quote suggests that in the world there are four main types of people.
The first type of people are those who are actively striving towards their goals, they are the “pursued”.
The second type of people are those who actively seek out and reach their goals, they are the “pursuing”.
The third type of people are always busy doing something, and they do not take the time to rest, they are the “busy”.
The fourth and last type of people are those who are always exhausted and struggle to find the energy to keep going, they are the “tired”.