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Sustainability requires bold vision and relentless execution.

What I want to talk to you about today is the difference between gifts and choices. Cleverness is a gift， kindness is a choice. Gifts are easy -- they're given after all. Choices can be hard. You can seduce yourself with your gifts if you're not careful， and if you do， it'll probably be to the detriment of your choices.

美超出了我們眼睛的承受能力。

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

永遠不要為了速度而犧牲質量。

我們實現明天的唯一限制將是我們今天的懷疑。