The interplay between quantum mechanics and general relativity is one of the most profound puzzles in modern physics, and solving it may require a complete rethinking of our understanding of the universe.
记忆是奇怪的动物：在你最不经意时咬你一口。
一个值得花一年去追求的目标是，学习足够多的关于一个主题的知识，以至于你无法相信一年前的你是多么的无知。