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"Time is the thing that keeps everything from happening at once."

一本好書是一次偉大的冒險(xiǎn)。

At a restaurant do you order what you know is great， or do you try something new？ Do you make what you know will sell or try something new？ Do you keep dating new folks or try to commit to someone you already met？ The optimal balance for exploring new things vs exploiting them once found is: 1/3. Spend 1/3 of your time on exploring and 2/3 time on deepening. It is harder to devote time to exploring as you age because it seems unproductive， but aim for 1/3.

行為法則可以從基本的生理原則中推導(dǎo)出來。