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Tennis is a mental game. Everyone is fit, everyone hits great forehands and backhands – it’s the upstairs that counts.

The most dangerous mindset in business is believing you’ve already succeeded.

技術是答案，但問題是什么？

The world is a very complicated place, and it's not always easy to understand what's happening around us.

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

沒有應用的創新就像沒有充電的電池——充滿潛力但無能為力。

歷史學家必須公正，但不能冷漠。

學習數學的唯一方法就是做數學。