Three things are necessary for the salvation of man: to know what he ought to believe; to know what he ought to desire; and to know what he ought to do.
我们永远要像充满好奇心的孩子一样,站在我们诞生于其中的的巨大奥秘面前,惊叹不已。
教育的艺术必须从教育的科学中汲取其法则。