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。
没有革命的理论,就不会有革命的运动。
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.