A successful individual typically sets his next goal somewhat but not too much above his last achievement. In this way he steadily raises his level of aspiration - Kurt Lewin, Psychologist
RSS訂閱 加入收藏  設爲首頁
本站所有站内信息僅供娛樂參考,不作任何商業用途,不以營利爲目的,專注分享快樂,歡迎收藏本站!
所有信息均來自:百度一下 (威尼斯人網站)