By combining the system of three notions, to reach the stage of changing yourself and being able to control yourself is really a practice. It’s not simply to put time and efforts into the mind of the sentient type, and it’s not enough to be able to control your concept. The practitioners from ancient times to the present who could really control their concepts are few. The Buddhist literature didn’t explain clearly about the attitude and the way of controlling one’s concepts, not to mention the attitude and the behavior.