写作是唯一一个如果你赚不到钱也没人会觉得你可笑的职业。
Every mathematical problem has a solution; it's just a matter of finding the right perspective.
Success is not final, failure is not fatal: it is the courage to continue that counts.
Collaboration across the supply chain is key to building a resilient food system.
【解释】脑力劳动者统治人,体力劳动者被人统治;被统治者养活别人,统治者靠别人养活,这是通行天下的原则。