孩子们只有对自己发明的东西才有真正的理解，每当我们试图太快地教他们一些东西时，我们就阻止了他们自己去重新发明它。
Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves.
目的赋予心理活动意义。
在战争中，第一个牺牲的是真相。
I don't want to be remembered; I want to be felt.