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如果你在嘗試改變世界，那么你正在做真正重要的事情。相信你每天都會在興奮中起床。

Every artist dips his brush in his own soul, and paints his own nature into his pictures.

應對一個不自由的世界的唯一方法，就是變得如此絕對自由，以至于你的存在本身就是一種反叛。

The best way to learn econometrics is by doing—working with real data and real problems.

Hustle hard.

Abstraction allows for a kind of freedom that representation sometimes doesn't.

信仰就像斷頭臺，同樣沉重，同樣輕。

We've had three big ideas at Amazon that we've stuck with for 18 years， and they're the reason we're successful:Put the customer first. Invent. And be patient.