One of the Arts of the student is to take responsibility for your own development. This in fact is done with the serious student. What does it mean to be serious? Taking responsibility for your own development. From this viewpoint and attitude, it is easy to see the importance of immediate application.
If one is regular in practice and applies what the teacher assigns and suggests, it sets the stage for natural comparison. In this natural comparison, there starts to form a clarity when something is further away from what we are going for or getting closer to our desired goal.
Here is the link to video 2 from The Art of the Student. Take your time with it!