如果你说真话,就不必记住任何事情。
模型只是模型,而非事物本身。因此我们既不能过分依赖它们,也不能完全不依赖。
教育的艺术必须从教育的科学中汲取其法则。
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
Innovation is not the goal; solving problems is.