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大學時, 有時候, 天文學會的組員遇見我時有這樣的反應:
“阿鈞呀!” (語氣就似見到外星人一樣.)
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去年和今年, 有幾位學生見到我時這樣說:
“達明呀!” (又是外星人語氣?!)
或者
“阿Sir, 見到你好開心呀!”
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上星期一, 到商場和以前同事吃午飯. 離開商場時, 遇見學生:
CWM: 阿Sir 呀!
接著, CSY很開心的走過來說: 好似見到明星呀.
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Let no one ever come to you without leaving better and happier.
— Mother Teresa
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2008.09.19 Friday
習慣一個人 沒有傷悲
— 李克勤一個人飛
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2008.09.18 Thursday
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All statements are true in some sense, false in some sense, meaningless in some sense, true and false in some sense, true and meaningless in some sense, false and meaningless in some sense, and true and false and meaningless in some sense.
~ Principia Discordia
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2008.09.17 Wednesday
4.17 Practice
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The difference between theory and practice is small in theory but big in practice.
係理論上, 理論上同實際上係無乜分別o既; 但係實際上, 理論上同實際上係有好大分別o既.
理論上, 理論上和實際上是沒有什麼分別的; 但實際上, 理論上和實際上是有很大分別的.
— Me, based on an existing quotation
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The principle of science, the definition, almost, is the following: The test of all knowledge is experiment. Experiment is the sole judge of scientific “truth.”
— Richard P. Feynman (The Feynman Lectures on Physics, 1963)
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大部分的人生道理聽了其實是沒有用的. 原因是大部分人也沒有做足以下四個步驟.
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4.17.1 Theory
4.17.2 Practice
4.17.3 Habit
4.17.4 Influence (夢幻版)
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2008.09.16 Tuesday
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無例子亦無人問.
以為想通的問題, 錯了, 再想…
以為想通的問題, 又錯, 再想…
以為想通的問題, 再錯, 再想…
以為想通的問題, 又再錯, 再想…
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時間無多,
有沒人可以救我?
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2008.09.15 Monday
4.16 Impossible
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If you want to imagine what the world is going to be like in the future,
don’t work for what’s possible now.
Start by imagining the impossible,
only then we even get close to a vision of our fantastic future.
— Gillian Anderson, Future Fantasic
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To be creative, think not what is possible, but what is impossible.
— My own modification.
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要有創意, 不要由可能的事情想起;
要有創意, 要先由不可能的事情想起.
— Translation by Me.
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2008.09.13 Sunday
原來過得很快樂 只我一人未發覺
— 林夕
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2008.09.13 Saturday
4.15 Shaw
1. You see things as they are and ask, “Why?” I dream things as they never were and ask, “Why not?” — George Bernard Shaw, Back to Methuselah (1921)
2. Reasonable people adapt themselves to the envirnoment; unreasonable adapt envirnoment to themseleves. Therefore, all human progress are made by unreasonable people. — George Bernard Shaw, Maxims for Revolutionists (1903)
3. Do not follow where the path may lead. Go instead where there is no path and leave a trail. — Muriel Strode ( ? )
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2008.09.12 Friday
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The greatest and most important problems of life are all fundamentally insoluble. They can never be solved but only outgrown.
— Carl Jung
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人生中最重要的問題往往也是不能解決的.
那唯有把它們忘記, 好好生活.
當我們成長到某個程度, 讓那些問題即使仍在, 也不能再傷到我們.
— Translation by Me
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不能解決 唯有忘記
不能忘記 唯有置之不理
— Translation by Me
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2008.09.11 Thursday
4.10.5 Not enough
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1. “You’ve got to jump off the cliff all the time and build your wings on the way down.” — Ray Bradbury
2. 看風不用播種, 看雲不用收割. — 傳道書
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At a time, I had a discussion with a friend. He asked me whether I would apply for an engineer-training job in order to get an engineer license. I said I did not have enough capacity for such a job. He replied, “If you feel that you are not enough, you are always not enough. The point is not to be enough right now. The point is to get the job first, and then make yourself be enough for it.”
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2008.09.10 Wednesday
痛苦
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樹要往高往上往光輝生，根要往下往深往黑暗長。
唯有經歷地獄的磨難，才有創造天堂的力量。
— 尼采
— Me@2024-06-26 12:12:13 PM
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2008.09.09 Tuesday
Step-by-step approach
1. “He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.” — Friedrich Nietzsche
2. “For things we persist doing become easier, not because of the change of the nature of the thing, but because of the increase of our ability. ” — Emerson
3. “What does not destroy me, makes me stronger.” — Friedrich Nietzsche
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2008.09.08 Monday
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隨時間走過……
……你變了幾多?
— 李克勤 白紙鶴
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1994-1997 理科學生
1997-1999 數學學生
1999-2002 工程學生
2002-2004 工程研究生
2004-2005 浪子
2005-2008 數學老師
2008-2010 物理學生
2010- 大浪子
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2008.09.07 Sunday
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4.12 Dyson
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1. “`Always make new mistakes” — Esther Dyson
2. “`Always make new mistakes” — Esther Dyson
3. “There is no way to find the best design except to try out as many designs as possible and discard the failures.” — Freeman Dyson
4. “If you want to have good ideas you must have many ideas. Most of them will be wrong, and what you have to learn is which ones to throw away.” — Linus Pauling
5. “Creativity is allowing yourself to make mistakes. Art is knowing which ones to keep.” — Scott Adams, The Dilbert Principle
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2008.09.06 Saturday
4.11 A physics career
A young man wrote physicist Feynman a letter, asking how to know whether he was suitable for a physics career. Feynman gave the following reply:
“I say this. Try to find some friends who are somewhat interested in physics and try to discuss physics things with them. If you find yourself able to explain things in your own words, so that they are led to understand things from what you say, you are OK. Soon you will find yourself able to explain things to yourself. Otherwise, give up and plan for a different career. If you can’t find such friends, try to tutor elementary physics, and see how it goes.” [12]
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[12] Don’t you have time to think p.256
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2008.09.05 Friday
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“心底之中失分寸, 終於黐o左線.”
— 幾許瘋語
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每科每星期有一份功課, 總共有三科.
而一份功課起碼要用十小時.
點算好呢?
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2008.09.04 Thursday
4.10 Hacker approach [10]
1. “a belief that even though you may not know all of what you need to solve a problem, if you tackle just a piece of it and learn from that, you’ll learn enough to solve the next piece – and so on, until you’re done.”
–Eric S. Raymond’s How To Become A Hacker
2. “… began doing just one thing ever which he had control.”
— Stephen Covey
3. “So start small, and think about the details. Don’t think about some big picture and fancy design. If it doesn’t solve some fairly immediate need, it’s almost certainly over-designed.”
— Linus Torvalds
4. “I have never been especially impressed by the heroics of people convinced that they are about to change the world. I am more awed by those who struggle to make one small difference after another.”
— Ellen Goodman
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[10] Hacker here means a highly skilled programmer, not a computer criminal.
“In academia, a “hacker” is a person who follows a spirit of playful cleverness and enjoys programming.”
– Wikipedia on Hacker (academia)
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2008.09.03 Wednesday
The above picture is taken from Wikipedia: Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. Subject to disclaimers.
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今天選定了科目:
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1. PHY4260 Statistical Mechanics 統計力學(輕量級)
2. PHY5510 Advanced Statistical Mechanics 統計力學(重量級)
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理論上,
要讀過第一科才可以修第二科.
第一科是第二科的前傳.
但我決定了同時修讀這兩科,
前傳和正傳同時放映.
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正常結果:
統計力學(輕量級) A
統計力學(重量級) B-
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目標結果:
統計力學(輕量級) A
統計力學(重量級) A
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2008.09.02 Tuesday
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“孤單中顫抖 可知我實在難受”
— 有誰共鳴
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這三年來, 最難受的日子大概是
星期日, 要自己一個, 在 Staff Room 4 裡改卷改簿.
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今天更難受,
一切要重新開始,
身邊一個朋友也沒有.
以後,
連星期一至五也要孤伶伶的.
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— Me
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2008.09.01 Monday
如果只有我一個人，在茫茫宇宙間，像荒野中的一條狼，生於孤獨，死於孤獨，無人思念，也沒有牽掛，那麼，我就不會憂傷。
我憂傷，是因為擔心你會憂傷。
如果你也抱有我的思想和信仰，我就不會憂傷。
— Mr Lee
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2008.08.31 Sunday
Physics Town 
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