自然是最伟大的艺术家。
如果我们能意识到武力永远无法赢得合作与爱,这个世界就可以避免无数的紧张关系,不用做那么多的无用功。
Success is the sum of small efforts, repeated day in and day out.
The art of teaching is the art of assisting discovery.
世界上充满了显而易见的事情,却没有人去观察。
You don’t have to pee on an electric fence to learn not to do it.