The thing about smart people is that they seem like crazy people to dumb people.
意识并非实体，而是过程。
Ask not what your country can do for you --ask what you can do for your country.
我们总是在寻找答案，但有时问题本身就是答案。
一本书不仅仅是纸和墨水；它是活着的呼吸。