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The past is a foreign country; they do things differently there.

Coal is not just a commodity, it's a commitment to America's future.

The truth is you don't know what is going to happen tomorrow. Life is a crazy ride, and nothing is guaranteed.

The Internet is the first thing that humanity has built that humanity doesn't understand, the largest experiment in anarchy that we have ever had.

在數學中，最簡單的解釋往往是最深刻的。

In the quest for understanding, failure is not the opposite of success; it is a stepping stone to it.

數據是非常愚蠢的；它們不會告訴你任何關于因果關系的信息。