Đang chuẩn bị nút TẢI XUỐNG, xin hãy chờ
Tải xuống
The Art of Public Speaking "1_1_8"CHAPTER VIII. CONCENTRATION IN DELIVERY Attention is the microscope of the mental eye. Its power may be high or low; its field of view narrow or broad. When high power is used attention is confined within very circumscribed limits, but its action is exceedingly intense and absorbing. It sees but few things, but these few are observed "through and through" . Mental energy and activity, whether of perception or of thought, thus concentrated, act like the sun's rays concentrated by the burning glass. The object is illumined, heated, set on fire. Impressions are so deep that they.
