Author Archives: rpflee

進度報告 2

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統計力學 (輕量級)

Homework 1:  100
Homework 2:  98
Homework 3:  100

一份功課價值十五小時.

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統計力學 (重量級)

Homework 1:  85
Homework 2:  75
Homework 3:  95

一份功課價值二十小時再加少少第六感.

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2008.10.19 Sunday copyright CHK^2

附加數 2

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(雖然)
風聲雨聲讀書聲聲聲入耳

(但係)
中史西史AMaths通通唔識

— Me@2006@(5C+5D)/2

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The mathematics in statistics is more mathematical than the mathematics in mathematics.

統計學上o既數學比數學裡面o既數學更加數學.

— Me@1998

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兩件事唔可以同時發生, 唔代表佢哋唔可以同時唔發生.

— Me@2006@5C/5D on Probability, on mutullay exclusive events

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2008.10.18 Saturday copyright CHK^2

Madness

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Madness is the exception in individuals but the rule in groups.

–尼采

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一個人做決定時, 很少會選擇做一些愚蠢而瘋狂的事情.

但是,

一個團體做決定時, 通常也會.

— Translation by Me

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Why?

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2008.10.16 2008.10.17 Thursday copyright CHK^2

蟲

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A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.

— Robert A. Heinlein

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2008.10.14 Tuesday CHK_2

6.5 Teach

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You cannot teach a man anything, you can only help him to find it for himself.

— Galileo

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To be catalyst is the ambition most appropriate for those who see the world as being in constant change, and who, without thinking that they can control it, wish to influence its direction.

— Theodore Zeldin

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The best doctors found a middle position where the were neither over-whelmed by their feelings nor estranged from them. That was the most difficult position of all, and the precise balance – neither too detached nor too caring – was something few learned.

— Michael Crichton

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2008.10.13 Monday copyright CHK^2

星宿

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600px-hubble_ultra_deep_field

(This picture is in the public domain because it was created by the European Space Agency and NASA.)

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我已經成功download返18歲時候的自己.

原來他還未死, 一路在我身邊.

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2008.10.12 Sunday \copyright CHK^2

Translation 2

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6.4.0 Create = teach or write or both

6.4.1 Create: Teach

6.4.2 Create: Write

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The basic theme is that whenever you cannot understand something, you should try to create that thing.

How to create?

Write. Write as if you are explaining the materials to someone else.

As physicist Gerar’td Hooft advised, when reading a physics textbook “… imagine how you would write those texts in a smarter way.”

Why is that you can understand a thing when you re-write your textbook?

It is because whenever you write, you have to translate the materials into your own language.

You are CREATING your OWN knowledge.
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2008.10.11 Saturday copyright CHK^2

Translation

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6.4 Create

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The basic theme is that whenever you cannot understand something, you should try to create that thing.

How to create?

Teach. Teach that thing to someone else.

Why is that you can understand a thing when you are teaching it to other people?

It is because whenever you teach, you have to translate the materials into YOUR OWN language.

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2008.10.09 Thursday copyright CHK^2

The Power of Myth 2

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A few weeks later, the Great Depression began. Campbell would spend the next five years (1929-1934) trying to figure out what to do with his life (Larsen and Larsen, 2002:160) and he engaged in a period of intensive and rigorous independent study.

Campbell states that he “would divide the day into four four-hour periods, of which I would be reading in three of the four hour periods, and free one of them… I would get nine hours of sheer reading done a day. And this went on for five years straight.

— Wikipedia

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2008.10.08 Wednesday CHK_2

Blackboard 2

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6.3.1 Feynman’s Blackboard

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Physics
= Relativity + Quantum Mechanics
= 相對論加量子力學
= 深深深

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6.3.2 Quantum Mechanics | 量子力學

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When physicist Feynman was a student,
there were two versions of Quantum Mechanics.
They described the same thing
but in different mathematical languages.

One version was Heisenberg’s Matrix Mechanics (矩陣力學) , using matrices. Another was Schrodinger’s Wave Mechanics (波動力學), using differential equations.

Feynman could understand neither of them.
So he spent 8 years to create
his own version of quantum mechancis
in order to understand quantum mechanics [1].

Feynman’s version of quantum mechanics is now called
Feynman path-intergral. (路徑積分)

After Feynman’s death, [2] people found that Feynman had written some words on the left-hand top corner of his blackboard:

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“What I cannot create, I do not understand.”

不是由我自己想出來的東西, 我都不能理解.

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[1] Dyson, Disturbing the Universe (1979)
[2] “I’d hate to die twice. It’s so boring.” — Feynman’s last words

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2008.10.07 Tuesday copyright CHK^2

Personality

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Don’t try to change your personality

Millions of people are wasting huge amounts of time trying to change their personality to please their boss or their girlfriend or boyfriend.

Number one, you cannot change your personality. All you will accomplish is turning yourself into a phony. Secondly, and more important, you don’t have to change your personality. What you do have to change, if your personality clashes, is your boss or your career or your girlfriend or boyfriend.

— Advertisement of John T. Reed’s 2nd Edition of Succeeding

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2008.10.06 Monday CHK_2

心理學家

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We can discover this meaning in life in three different ways:

(1) by creating a work or doing a deed;

(2) by experiencing a something or encountering someone; and

(3) by the attitude we take toward unavoidable suffering.

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It did not really matter what we expected from life, but rather what life expected from us. We needed to stop asking about the meaning of life, and instead to think of ourselves as those who were being questioned by life—daily and hourly. Our answer must consist, not in talk and meditation, but in right action and in right conduct. Life ultimately means taking the responsibility to find the right answer to its problems and to fulfill the tasks which it constantly sets for each individual.

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— Man’s search of meaning, by Victor Frankl, a psychologist, a psychiatrist, and a Holocaust survivor

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2008.10.05 Sunday CHK_2

Bachelor, Master, Doctor

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Chapter 6 Doctor

This chapter is on study and teaching skills.

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6.1 Bachelor, Master, Doctor

Bachelor: someone has general knowledge

Master: someone has the ability to practice a particular field of knowledge

Doctor: someone has the ability to teach a particular field of knowledge

– How to Get a PhD (book), by Estelle Phillips and Derek.S. Pugh

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學士: 通識之人

碩士: 有能力掌握一門知識的人

博士: 有能力傳授一門知識的人

–My translation

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2008.10.03 Friday copyright CHK^2