After having achieved a certain amount of stillness—the effort may last from one to three months—it is to be recommended to add direct concentration exercises during or after the stillness. Practically speaking, this can be done in many ways. One may focus on a coin and concentrate completely on all its details, to the point where one sees it fully with closed eyes; or one may use any other object—a vase, a clock, a telephone, a flower, a leaf, a stone, or whatever one wishes to concentrate on. Or,
