你可以看看这篇日志：http://gezhi.org/node/350 上面有费曼对科学是什么的解释。
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－ I have known more people whose lives have been ruined by getting a Ph.D. in physics than by drugs.
by Jonathan I. Katz
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你可以看看这篇日志
你可以看看这篇日志：http://gezhi.org/node/350
上面有费曼对科学是什么的解释。
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
I have known more people whose lives have been ruined by getting a Ph.D. in physics than by drugs.
by Jonathan I. Katz