#channel/Master-YongHua #speaker/mxz [00:00]() In our practice, when we talk about the—the concentration—I think it refers to the detachment: our detachment from the environment. At the first level, we talk about concentration; then we focus on a certain thing. We do our work; we focus on the work, but then, when we go deeper level, we—it refer to the stillness of the mind from the stimulant. So that refer to the detachment. Actually, at that time, we don't focus on certain object, but we have to focus on the mind itself. It help us to become single-minded, because the detachment reduce the movement of the mind.