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世界所有前进的动力都归功于那些不安分的人。幸福的人不可避免地把自己限制在古老的界限内。
The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.
数学的进步是通过它能解决的问题数量来衡量的。
You have to be willing to fail to succeed.
心灵就是一切。你想什么,就会成为什么。
Leadership is not about being in charge. It's about taking care of those in your charge.