Thư viện bài, chủ đề ‘Danh ngôn’

Phản danh ngôn

Ngô Quang Hưng | 18 tháng 01, 2008 | Bản để in Bản để in

Một phát biểu nổi tiếng của JFK là:

Đừng hỏi tổ quốc đã làm gì cho bạn, mà hỏi bạn đã làm gì cho tổ quốc

Trong quyển Tư bản và tự do Milton Friedman viết:

In a much quoted passage in his inaugural address, President Kennedy said, “Ask not what your country can do for you — ask what you can do for your country.” It is a striking sign of the temper of our times that the controversy about this passage centered on its origin and not on its content. Neither half of the statement expresses a relation between the citizen and his government that is worthy of the ideals of free men in a free society. The paternalistic “what your country can do for you” implies that government is the patron, the citizen the ward, a view that is at odds with the free man’s belief in his own responsibility for his own destiny. The organismic, “what you can do for your country” implies that government is the master or the deity, the citizen, the servant or the votary. To the free man, the country is the collection of individuals who compose it, not something over and above them. He is proud of a common heritage and loyal to common traditions. But he regards government as a means, an instrumentality, neither a grantor of favors and gifts, nor a master or god to be blindly worshiped and served. He recognizes no national goal except as it is the consensus of the goals that the citizens severally serve. He recognizes no national purpose except as it is the consensus of the purposes for which the citizens severally strive.

The free man will ask neither what his country can do for him nor what he can do for his country. He will ask rather “What can I and my compatriots do through government” to help us discharge our individual responsibilities, to achieve our several goals and purposes, and above all, to protect our freedom? And he will accompany this question with another: How can we keep the government we create from becoming a Frankenstein that will destroy the very freedom we establish it to protect? Freedom is a rare and delicate plant. Our minds tell us, and history confirms, that the great threat to freedom is the concentration of power. Government is necessary to preserve our freedom, it is an instrument through which we can exercise our freedom; yet by concentrating power in political hands, it is also a threat to freedom. Even though the men who wield this power initially be of-good will and even though they be not corrupted by the power they exercise, the power will both attract and form men of a different stamp.

“Tư bản và tự do” là một quyển sách nhỏ và xuất sắc. Tôi đã đọc nó 3, 4 lần.

Chủ đề: Danh ngôn & Giới thiệu sách | Bình luận (12) »

Danh ngôn từ Bertrand Russell

Ngô Quang Hưng | 31 tháng 07, 2007 | Bản để in Bản để in

Tôi đã nhắc đến Russell vài lần trên blog. Sau đây là vài quotes hay của ông:

  • A stupid man’s report of what a clever man says can never be accurate, because he unconsciously translates what he hears into something he can understand.
  • All movements go too far.
  • I would never die for my beliefs because I might be wrong.
  • Mathematics, rightly viewed, possesses not only truth, but supreme beauty - a beauty cold and austere, like that of sculpture.
  • So far as I can remember, there is not one word in the Gospels in praise of intelligence.
  • The place of the father in the modern suburban family is a very small one, particularly if he plays golf.

Chủ đề: Danh ngôn | Bình luận »

Học toán được gì?

Ngô Quang Hưng | 20 tháng 06, 2007 | Bản để in Bản để in

Stobaeus ghi lại truyền thuyết sau đây về Euclid.

Khi một chú học trò hỏi Euclid: “chúng ta học hình học thì được cái gì?”, Euclid gọi một anh nô lệ vào bảo: “cho nó một đồng xu, vì nó muốn kiếm lời từ cái nó học”.

Đáng lẽ tôi phải kể câu chuyện này để kết thúc bài học bao nhiêu là đủ.

Chủ đề: Danh ngôn & Dành cho du học sinh | Bình luận (14) »

P. J. O’Rourke

Ngô Quang Hưng | 14 tháng 12, 2006 | Bản để in Bản để in

Kể từ Mark Twain, khó mà tìm được tác giả nào hài hước hơn P. J. O’Rourke. Quyển Parliament of Whores đã thành kinh điển. Đọc Eat the Rich thì cứ vài dòng là ta phải mỉm cười một lần. Sau đây là vài (trong vố số các) câu trong Eat the rich và Parliament of Whores:

  • Economists claim to study production, distribution, and consumption. But production requires actual skills and so can’t be taught by economics professors, because they’d have to know how to do something. And consumption is a very private matter. Consider the consumption of toilet paper, condoms, frozen pizza-for-one eaten straight out of the microwave in the middle of the night, and cigarettes in the carport when your spouse thinks you’ve stopped smoking. Therefore, economics tends to concentrate on distribution.
  • One thing that economists do know is that the study of economics is divided into two fields, “microeconomics” and “macroeconomics”. Micro is the study of individual economic behavior, and macro is the study of how economies behave as a whole. That is, microeconomics concerns things that economists are specifically wrong about, while macroeconomics concerns things economists are wrong about generally.
  • Democrats are … the party that says government can make you richer, smarter, taller, and get the chickweed out of your lawn. Republicans are the party that says government doesn’t work, and then they get elected and prove it.
  • Giving money to government is like giving car keys and whiskey to teenage boys.

O’Rourke quả thật là ông vua của các one-liners. Hắn mới ra sách mới, tôi vội vàng đặt mua.

Thêm vài danh ngôn của O’Rourke.

  • Always read stuff that will make you look good if you die in the middle of it.
  • Fish is the only food that is considered spoiled once it smells like what it is.
  • Never fight an inanimate object.
  • Skiing consists of wearing $3,000 worth of clothes and equipment and driving 200 miles in the snow in order to stand around at a bar and drink.
  • The weirder you are going to behave, the more normal you should look. It works in reverse, too. When I see a kid with three or four rings in his nose, I know there is absolutely nothing extraordinary about that person.
  • When buying and selling are controlled by legislation, the first things to be bought and sold are legislators.

Chủ đề: Danh ngôn & Giới thiệu sách & Vui - Giải Trí | Bình luận »

Tiền bạc là nguồn gốc của tội lỗi?

Ngô Quang Hưng | 04 tháng 12, 2006 | Bản để in Bản để in

Sai!

Tội lỗi là nguồn gốc của tiền bạc” mới đúng. Kiyotaki và Moore giải thích tại sao trong bài giảng Evil is the root of all money (40 trang, PDF).

Trong một thế giới không có tội lỗi, tôi đi uống cà phê quán chị Ba không phải trả tiền. Con chị Ba là thằng Tí vào đại học học ngành KHMT. Khi vào học nó bảo tôi: “chú đã uống 3165 ly cà phê sữa đá của mẹ cháu 10 năm qua”. Tôi sẽ dạy nó môn lập trình mạng và thuật toán.

Dĩ nhiên có các lý do kinh tế sâu xa khác cho sự tồn tại của tiền bạc (hay muối, vàng, bạc, kim cương) để trao đổi các giá trị lao động, nhưng niềm tin đóng vai trò rất quan trọng.

Chủ đề: Danh ngôn | Bình luận »

Homer Simpson

Ngô Quang Hưng | 17 tháng 09, 2006 | Bản để in Bản để in

Vài phát biểu của Homer Simpson:


(Image Source: wikipedia)

How is education supposed to make me feel smarter? Besides, every time I learn something new, it pushes some old stuff out of my brain. Remember when I took that home winemaking course, and I forgot how to drive?

Scully: Homer, we’re going to ask you a few simple yes or no questions. Do you understand?
Homer: Yes. (lie dectector blows up)

English? Who needs that? I’m never going to England!

I think Mr. Smithers picked me for my motivational skills. Everyone always says they have to work twice as hard when I’m around!

Marge, it takes two to lie … One to lie, and one to listen.

Oh, people can come up with statistics to prove anything. 14% of people know that.

You know boys, a nuclear reactor is a lot like women. You just have to read the manual and press the right button.

I hope I didn’t brain my damage!

First you don’t want me to get the pony, then you want me to take it back. Make up your mind!

Now what is a wedding? Well, Webster’s dictionary describes a wedding as the process of removing weeds from one’s garden.

Chủ đề: Danh ngôn & Vui - Giải Trí | Bình luận »

Quotable quotes

Ngô Quang Hưng | 07 tháng 08, 2006 | Bản để in Bản để in

If you torture data sufficiently, it will confess to almost anything.
– Fred Menger, chemistry professor (1937- )

There are 10^{11} stars in the galaxy. That used to be a huge number. But it’s only a hundred billion. It’s less than the national deficit! We used to call them astronomical numbers. Now we should call them economical numbers.
– Richard Feynman (1918-1988), physicist, Nobel laureate

The great tragedy of science — the slaying of a beautiful hypothesis by an ugly fact.
– Thomas Huxley (1825-1895), biologist and writer

[Source]

Chủ đề: Danh ngôn | Bình luận »

Mở hàng danh ngôn

Ngô Quang Hưng | 21 tháng 06, 2006 | Bản để in Bản để in

Tôi vừa thêm vào blog một phạm trù mới: danh ngôn. Có khá nhiều database về danh ngôn trên Internet làm tham khảo. Mở hàng với Feynman và Hilbert thì không thể ế.

Richard Feynman

  • Physics is like sex. Sure, it may give some practical results, but that’s not why we do it.
  • Physics is to math what sex is to masturbation.
  • I can live with doubt and uncertainty and not knowing. I think it is much more interesting to live not knowing than to have answers that might be wrong.

David Hilbert

  • Sometimes it happens that a man’s circle of horizon becomes smaller and smaller, and as the radius approaches zero it concentrates on one point. And then that becomes his point of view. [Câu này vẫn là phát biểu tôi thích nhất!]
  • No one shall expel us from the Paradise that Cantor has created.
  • If one were to bring ten of the wisest men in the world together and ask them what was the most stupid thing in existence, they would not be able to discover anything so stupid as astrology.
  • Wir müssen wissen. Wir werden wissen. (We must know. We will know!) Câu này khắc ở bia mộ của Hilbert ở Göttingen.

Chủ đề: Danh ngôn | Bình luận »