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"Books are the keys to imagination, and imagination is the key to the future."

The search for happiness is one of the chief sources of unhappiness.

We are all potential fossils waiting to be uncovered.

計算機非常快、準確且愚蠢。人類非常慢、不準確且聰明。兩者的結合是一種無法計算的力量。

實現明天的唯一限制是我們今天的疑慮。