The power of abstraction is crucial in computer science, allowing us to focus on the essential aspects of a problem.
The key to innovation in economics is to question conventional wisdom.
生活并非易事……除非你面前有一个伟大的理想,将你提升到个人的痛苦、软弱以及各种背信弃义和卑鄙之上,否则你无法度过它而不陷入沮丧和愤世嫉俗。