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.

  give a man a fish, and you feed him for a day. teach a man to fish, and you get rid of him on the weekends.
 　 
    给他一条鱼，你可以喂他一天；教他钓鱼，他周末就不会再来缠你了。gary apple    true science teaches, above all, to doubt and be ignorant.
 　 
    真正的科学首先教人怀疑和知道自己无知。miguel de unamuno

    truth has no special time of it’s own. its hour is now always.
 　 
    真理没有自己特定的时间段。它的时间永远是现在。a.schweitzer     growing old is not upsetting; being perceived as old is.
 　 
    越来越老并不可怕，可怕的是让人觉得越来越老。kenny rogers

    without libraries what have we? we have no past and no future.
 　 
    如果没有了图书馆，我们还有什么呢？我们没有了过去也没有了未来。kay bradbury     scientific knowledge aims at being wholly impersonal.
 　 
    科学知识要求完全不受个人感情的影响。bertrand russell

    nothing in life is to be feared. it is only to be understood.
 　 
    生活中没有可怕的东西，只有应去了解的东西。marie curie     truth is beautiful. withoutdoubt; and so are lies.

 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