Writing is rewriting—the magic happens in the edits.
所有模型都是错误的，但有些是有用的。
我不需要任何人牵着我的手。
The ultimate test of any economic theory is whether it improves real-world decisions.
对人工智能中逻辑系统的研究不仅仅是关于算法，更是关于理解推理的本质。
A picture must be primarily about itself and not about something else.