that is the essence of science: ask an impertinent question, and you are on the way to the pertinent answer.
科学的本质是：问一个不恰当的问题，于是走上了通往恰当答案的路。 jacob bronowski

the danger of the past was that men became slaves. the danger of the future is that men may become robots.
在过去人们面临的危险是变成奴隶，而在将来危险是人类可能变成机器人。erich fromm

knowledge is a treasure, but practice is the key to it.
知识是一宝库，而实践就是开启宝库大门的钥匙。fuller

the golden rule is that there are no golden rules.
真正的金科玉律就是世上并无金科玉律。g.b.shaw

the lover of nature is he whose inward and outward senses are still truly adjusted to each other; who has retained the spirit of infancy even into the era of manhood.
热爱大自然的人内外感觉协调一致，即使进入成年后依然保持着童心。 emerson

ten men banded together in love can do what ten thousand separately would fail in.
以爱心聚在一起的十个人能够完成一万个分散的人做不到的事情。thomas carlyle imagination is not to be divorced from the facts.
想象不应脱离现实。a.n. whitehead there are two sides to every story ..at least.
每个故事都可以从两个方面看，至少两个方面。ann landers

today is not yesterday. we ourselves change. how then can our works and thoughts, if they are always to be fittest, continue always the same?
今天不同于昨天。我们自己也在改变。那么，我们的著作和思想，如果想永远不过时，怎么能始终不改变呢？ thomas carlyle