String theory is a part of twenty-first-century physics that fell by chance into the twentieth century.
弦理论是二十一世纪物理学的一部分，偶然落入了二十世纪。
我失败了很多次，这就是我成功的原因。
你必须强迫自己考虑反对的论点。尤其是当他们挑战你最喜爱的观点时。
The challenge in computer science is not just to solve problems, but to understand why they are problems in the first place.