You have to believe in yourself when no one else does.
教育是点燃火焰,而不是填满容器。
能量守恒定律不仅仅是一个抽象原则;它是已被无数实验验证的自然法则。
The key is to set realistic customer expectations, and then not to just meet them, but to exceed them—preferably in unexpected and helpful ways.
知识是人类的最高财富,而分享知识则是最高的慷慨。
凡是教师缺乏爱的地方,无论品格还是智慧都不能充分地或自由地发展。