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Optimism is a learned skill. Once you learn it, you can improve your life in every way.

True leadership means making tough decisions today for a better tomorrow.

The best architecture is functional.

Competitive strategy is about being different. It means deliberately choosing a different set of activities to deliver a unique mix of value.

數學不僅僅是關于數字、方程、計算或算法：它是關于理解的。

The beauty of mathematics is that it allows us to explore the universe without ever leaving our chairs.

老虎的尾巴不會長在貍貓身上，象牙也不會長在老鼠的口中。這句話是說小人是不會做出高尚的事情的。