Good teaching is one-fourth preparation and three-fourths theater.
成功的教學是四分之一的準備加上四分之三的表演。
The mediocre teacher tells. The good teacher explains. The superior teacher demonstrates. The great teacher inspires.
普通的老師告訴你是什么,好的老師告訴你為什么。卓越的老師證明給你看,偉大的老師激發你的潛能。