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當你有一個好收成時，農民高興，他的妻子高興，孩子們高興，動物們高興，土地也高興。

習慣的強度是其被強化次數的函數。

The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil and no good, nothing but blind, pitiless indifference.

當沒有人相信你時，你必須相信自己。

我一生都是一個自私的人，雖然原則上并非如此，但行動上卻是。

Understanding the mechanisms of memory can help us not only in recalling the past but also in shaping our future actions and decisions.

All the choir of heaven and furniture of earth - in a word， all those bodies which compose the frame of the world - have not any subsistence without a mind.