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"The world is full of obvious things which nobody by any chance ever observes."

做一件事和做一件前無古人的事是兩碼事。

Quantum cryptography doesn't rely on the difficulty of mathematical problems, but on the fundamental laws of physics.

"We overestimate what we can do in one year and underestimate what we can do in ten."

Labor economics is fundamentally about understanding people’s choices and constraints.

愛就是試圖理解對方。