In string theory, all particles are vibrations of a tiny supersymmetric string.

天下的治乱不在于一个王朝的兴亡，而在于百姓的忧乐。

Marriage is encouraged in China, not by the profitableness of children, but by the liberty of destroying them.

Innovation is not just about technology; it's about changing the way we think and work.

最优财政政策要求税收随时间平滑，因为突然的变化会扭曲经济决策。

"I don't think that literature should be a moral institution."