To solve a mathematical problem is to uncover a piece of the universal puzzle.
解决一个数学问题就是揭开宇宙拼图的一块。
Natural experiments are a powerful tool for understanding causal relationships in the real world.
领导力意味着以同情心和清晰度做出艰难的决定。
“唯一无限的是宇宙和人类的愚蠢。”
这种相思之情无法消除,刚从眉间消失,却又涌上心头
The biggest risk is not taking any risk at all.