The history of mankind is the history of ideas.

人类的历史就是思想的历史。 ——Ludwig Von Mises

To believe with certainty,we must begin with doubting.

要完全相信，我们首先得怀疑。——Stanislaus

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 impersonal¹.

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.

真理是美的;毫无疑问，谎言也是如此。 ——Emerson.

Nature never deceives us; it is always us who deceive ourselves.

大自然永远不会欺骗我们，欺骗我们的往往是我们自己。——Rousseau

You can never plan the future by the past.

永远也不能依照过去来计划将来。 ——Burke

Time is a versatile² performer. It flies, marches on, heals all wounds, runs out and will tell.

时间是个多才多艺的表演者。它能展翅飞翔，能阔步前进，能治愈创伤，能消逝而去，也能揭示真相。 ——Franklin P.Jones

The first in time and the first in importance of the influences upon the mind is that of nature.

在所有头脑的影响之中，大自然的影响可谓是在时间上最先，在作用上最为重要的。——Emerson

Death…is no more than passing from one room into another.

死亡只不过是从一个房间进入另一个房间。——Helen Keller

Important principles may and must be flexible.

重要的原则能够也必须是灵活的。 ——Abraham Lincoln

That is the essence of science: ask an impertinent question, and you are on the way to the pertinent³ 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

Nature never deceives us; it is always us who deceive ourselves.

大自然永远不会欺骗我们，欺骗我们的往往是我们自己。——Rousseau

You can never plan the future by the past.

永远也不能依照过去来计划将来。 ——Burke

Time is a versatile performer. It flies, marches on, heals all wounds, runs out and will tell.

时间是个多才多艺的表演者。它能展翅飞翔，能阔步前进，能治愈创伤，能消逝而去，也能揭示真相。 ——Franklin P.Jones

The first in time and the first in importance of the influences upon the mind is that of nature.

在所有头脑的影响之中，大自然的影响可谓是在时间上最先，在作用上最为重要的。——Emerson

Death…is no more than passing from one room into another.

死亡只不过是从一个房间进入另一个房间。——Helen Keller

Important principles may and must be flexible.

重要的原则能够也必须是灵活的。 ——Abraham Lincoln

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 infancy⁴ 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

Love alone can release the power of the atom so it will work for man and not against him.

只有爱才能使原子的力量造福人类，而非危害人类。——W. A. Peterson