Richard Hamming: http://www.cs.virginia.edu/~robins/YouAndYourResearch.html http://www.cs.virginia.edu/~robins/YouAndYourResearch.html > I notice that if you h

Richard Hamming: http://www.cs.virginia.edu/~robins/YouAndYourResearch.html http://www.cs.virginia.edu/~robins/YouAndYourResearch.html > I notice that if you have the door to your office closed, you get more work done today and tomorrow, and you are more productive than most. But 10 years later somehow you don't know quite know what problems are worth working on; all the hard work you do is sort of tangential in importance.