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You need to invent things and you need to get them to people. You need to commercialize those inventions. Obviously, the best way we’ve come up with doing that is through companies.

"In observational studies, we often have to rely on assumptions that are not directly testable."

我們必須不斷地跳下懸崖，并在下落的過程中長出翅膀。

Man is not the creature of circumstances； circumstances are the creatures of men.