Civilization is a stream with banks. The stream is sometimes filled with blood from people killing, stealing, shouting and doing the things historians usually record, while on the banks, unnoticed, people build homes, make love, raise children, sing songs, write poetry and even whittle statues. The story of civilization is the story of what happened on the banks.

La verdadera patria del hombre es la infancia.

获取智慧是一种道德责任。这不是你为了生活的进步而做的事情......你不会因为你已经知道了什么而在生活中走得很远。离开这里之后，你要靠自己学到的东西来提升自己。

教育的艺术必须从教育的科学中衍生出其规则。

Art is not a competition. It’s a journey.

农业的未来在于平衡生产力与环境管理。

在我看来，人类获得对天体事物的洞察所走的道路，几乎与这些事物本身一样值得惊叹。