The study of formal languages and automata is essential for understanding the theoretical underpinnings of computer science.

我不考虑成为最好的，我考虑进步并享受我所做的事情。

The art of competing, I’d learned from track, was the art of forgetting, and I now reminded myself of that fact. You must forget your limits. You must forget your doubts, your pain, your past.

最优雅的证明是那些清晰地揭示问题本质的证明。