三代以上，天皆不同今日之天，地皆不同今日之地，人皆不同今日之人，物皆不同今日之物。
出自《魏源集·默觚下·治篇五》。三代以上，天都跟现在的天不一样，地都跟现在的地不一样，人也跟现在的人不一样，物也和现在的物不一样。
Life is too short to waste time hating anyone.
Every line we draw has consequences in people's lives.
The most important thing is to actually care about what you’re doing.
The best leaders are those who empower others to lead.
模形式的算术是理解数论更深层次结构的关键。
You have to believe in yourself when no one else does.
The meat processing industry has a responsibility to provide safe, high-quality products to consumers.