儿童不会自己判断自己，他是以别人对他的态度来判断自己的。

People always say that you can't please everybody. I think that's a cop-out. I think if you work hard enough, you can please anybody.

集体是个体的教育者。

Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.

释义：看见一片落叶，就知道一年内的时间将要到头了。通过细微的迹象，可以预料到整个形势的发展趋向与结果。