churning and self realization

It was told too me that people who are searches or on the path of self-realization,are constantly churning or thinking about things they are told, but it is like churning butter milk, you just get water or weaker butter milk, but if you churn the essence of truth you will get butter from the cream, something rich and tasty. So the essence brings sense and wisdom, where as the churning of second hand information brings more questions and actually moves you away from the esence, makes sense? Here is a video which will help you get too the essence:)