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我们唯一需要害怕的就是害怕本身。
The only thing we have to fear is fear itself.
The best way to understand a program is to try to change it.
坚持是数学研究的关键,许多伟大的成果来自于长期的奋斗。
The simplicity of nature is not to be measured by that of our conceptions.
真相并不总是最有效的武器。有时,一个精心编织的谎言比真相能拯救更多的生命。