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If you want to understand a system, try changing it.

一項發明可能價值連城，但對發明者卻毫無價值。

【釋義】經過多年努力也還不夠，一旦毀壞卻十分徹底。

選擇那些傻瓜也能經營的企業——因為遲早會有傻瓜來經營它。

The study of truth requires a considerable effort - which is why few are willing to undertake it out of love of knowledge - despite the fact that God has implanted a natural appetite for such knowledge in the minds of men.