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未來不是沉重的，而是輕盈的。

Psychology is the science of mental life, not just the cataloging of its elements.

保持進步的唯一方法是不斷推動自己。

The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.

最成功的公司是那些能快速適應變化的公司。