叶公问孔子于子路,子路不对。子曰:“汝奚不曰:其为人也,发愤忘食,乐以忘忧,不知老之将至云尔?”
【译文】 叶公问子路:孔子是怎样的人,子路不回答。孔子说:“你怎么不说:他这个人啊,发愤学习就忘记吃饭,高兴起来就忘记了忧愁,不知道快要变老了等等?”
Profit and sustainability must swim side by side, or both will sink.
Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems.