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You must force yourself to consider opposing arguments.Especially when they challenge your best-loved ideas.

The metals we mine build civilizations, but the relationships we build define our legacy.

I'm not a heart, I'm a brain.

Theorems are eternal; their proofs are ephemeral.

作家必須是一個永遠的外來者，一個所有權力的批評者。

Making something variable is easy. Controlling duration of constancy is the trick.

時間可以吞噬一切,但它絲毫不能減少的是你偉大的思想,你的幽默,你的善良,還有你的勇氣。