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不要讓不認識你的人定義你。

If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

"The only true wisdom is in knowing you know nothing."

To know that one does not write for the other, to know that these things I am going to write will never make me loved by the one I love.

事情過后議論別人，身在局外議論局內人，是做學問的人最容易犯的毛病。在事后議論別人，往往將聰明人說得極其愚笨；身在局外議論局內的人，往往將困難的事情說得極其容易，這兩種毛病都是由待人不忠誠、不寬容而引起的。

When the oceans speak through declining stocks, we must have the courage to listen and act.