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They just keep trotting back and forth across the bridge thinking there is something better on the other side. If they'd hang head down at the top of the thing and wait quietly, maybe something good would come along. But no—with men it's rush, rush, rush, every minute. I'm glad I'm a sedentary spider.

追求數學知識是一段永無止境的旅程；總有更多的東西等待發現和理解。

時間總是一個驚喜。你以為你了解它，但其實你并不了解。

"The most exciting aspect of science is the discovery of something new, something that no one has ever seen before."

譯文：年華隨同時光飛快逝去，意志隨同歲月而喪失。最終(像黃葉一樣)枯老衰落，大多不接觸世事，對社會沒有任何貢獻，只能悲哀困守在自己破敗的房子里，那時再悔恨又怎么來得及!

傳統行業的創新不是重新發明輪子，而是讓輪子更有效地轉動。