The capacity of infinitesimal control was difficult to explain. It was an insight into power, an insight of oneself. Unlocking the fourth stage was the prerequisite of entering such state, even just the initial fourth stage. While in infinitesimal control, you can feel the distribution of force even if you take just a simple step. As you get more experienced, you could utilize the force you used in this step to gain extra speed. Infinitesimal control was absolute precision of control over strength and...