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I never guess. It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

過去總是緊張的，而未來是完美的。

Science is about understanding the world, and engineering is about changing it.

我從未見過一個我不試圖用機械方法解決的問題。

True happiness comes from inner satisfaction.

可持續性不僅僅是一個流行詞，而是我們對后代的責任。