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1. I have never let my schooling interfere with my education - Mark Twain


2. How many physicists does it take to replace a light bulb?
   Ten. One to replace it, and nine to co-author the paper.


3. The experimentalist comes running excitedly into the theorist's office, waving a graph taken off his latest experiment.
   "Hmmm," says the theorist, "That's exactly where you'd expect to see that peak."
   Here's the reason: A long logical explanation follows, but in the middle of it, the experimentalist says "Wait a minute",
   studies the chart for a second, and says, "Oops, this is upside down." He fixes it. "Hmmm," says the theorist,
   "you'd expect to see a dip in exactly that position. Here's the reason...".


4. Conversation between great mathematician and physicist (Cannot find the source.)
   Phy guy: You know what, once I want to be a mathematician but I've changed my mind.
   Math guy: Why?
   Phy guy: Because, among all the facts in mathematics, you don't know which one is important.
   Math guy: Oh, that's strange. Because I also once studied physics.
   Phy guy: So why on earth did you become a mathematician?
   Math guy: Because, among all the facts in physics, I don't know which one is true.
   
   
5. I am therefore I think. - Heard from Nikhil Devanur
   
   
6. Pecking order of the sciences. From here
   The biologist wants to be a chemist.
   The chemist wants to be a physicist.
   The physicist wants to be God.
   God wants to be a mathematician.
   
   
7. The Barometer Problem - From snopes.com. First heard from forwarded email.
   
   The following concerns a question in a physics degree exam at the University of Copenhagen:
   "Describe how to determine the height of a skyscraper with a barometer."
   
   One student replied:
   
   "You tie a long piece of string to the neck of the barometer, then lower the barometer from the roof of the skyscraper to the ground. The length of the string plus the length of the barometer will equal the height of the building."
   
   This highly original answer so incensed the examiner that the student was failed immediately. The student appealed on the grounds that his answer was indisputably correct, and the university appointed an independent arbiter to decide the case.
   
   The arbiter judged that the answer was indeed correct, but did not display any noticeable knowledge of physics. To resolve the problem it was decided to call the student in and allow him six minutes in which to provide a verbal answer that showed at least a minimal familiarity with the basic principles of physics.
   
   For five minutes the student sat in silence, forehead creased in thought. The arbiter reminded him that time was running out, to which the student replied that he had several extremely relevant answers, but couldn't make up his mind which to use. On being advised to hurry up the student replied as follows:
   
   "Firstly, you could take the barometer up to the roof of the skyscraper, drop it over the edge, and measure the time it takes to reach the ground. The height of the building can then be worked out from the formula H = 0.5g x t squared. But bad luck on the barometer."
   
   "Or if the sun is shining you could measure the height of the barometer, then set it on end and measure the length of its shadow. Then you measure the length of the skyscraper's shadow, and thereafter it is a simple matter of proportional arithmetic to work out the height of the skyscraper."
   
   "But if you wanted to be highly scientific about it, you could tie a short piece of string to the barometer and swing it like a pendulum, first at ground level and then on the roof of the skyscraper. The height is worked out by the difference in the gravitational restoring force T =2 pi sqr root (l /g)."
   
   "Or if the skyscraper has an outside emergency staircase, it would be easier to walk up it and mark off the height of the skyscraper in barometer lengths, then add them up."
   
   "If you merely wanted to be boring and orthodox about it, of course, you could use the barometer to measure the air pressure on the roof of the skyscraper and on the ground, and convert the difference in millibars into feet to give the height of the building."
   
   "But since we are constantly being exhorted to exercise independence of mind and apply scientific methods, undoubtedly the best way would be to knock on the janitor's door and say to him 'If you would like a nice new barometer, I will give you this one if you tell me the height of this skyscraper'."
   
   The student was Niels Bohr, the only Dane to win the Nobel Prize for physics.
   
   
   
8. A mathematician is a device for turning coffee into theorems - Paul Erdos
   
   
9. It is not knowledge, but the act of learning, not possession, but the act of getting there which generates the greatest satisfaction. - Gauss
   
   
10. If we knew what it was we were doing, it would not be called research, would it? - Albert Einstein
    
    
11. (Thai old proverb)
    คนจะงาม งามน้ำใจ ใช่ใบหน้า
    คนจะสวย สวยจรรยา ใช่ตาหวาน
    คนจะแก่ แก่ความรู้ ใช่อยู่นาน
    คนจะรวย รวยศีลทาน ใช่บ้านโต
    
12. I disapprove of what you say, but I will defend to the death your right to say it. -- Evelyn Beatrice Hall