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The past is never dead. It's not even past.

That is what learning is. You suddenly understand something you've understood all your life, but in a new way.

"你知道得越多，理解得越少。"

我不害怕冒險(xiǎn)。

In business, as in life, you have to be willing to adapt to survive.

神奇數(shù)字150表明，我們社交網(wǎng)絡(luò)的規(guī)模受限于大腦的容量。