计算思维的本质是抽象和自动化。

有机化学现在在我看来就像一片原始热带森林，充满了最非凡的事物，一个可怕的、无尽的丛林，人们不敢进入，因为似乎没有出路。

"The unexamined life is not worth living."

I'm very proud to be black, but black is not all I am. That's my cultural historical background, my genetic makeup, but it's not all of who I am nor is it the basis from which I answer every question.

过去从未死去，它甚至还未过去。