The real world is the most abstract thing of all.

理论计算机科学不仅仅是解决问题，更是理解计算本身的本质。

You have to believe in yourself when no one else does.

Therefore, since brevity is the soul of wit, And tediousness the limbs and outward flourishes.

商业的成功来自于理解人，而不仅仅是市场。