In a rapidly changing market, flexibility and adaptability are the keys to business success.

不了解儿子就看和儿子交往的朋友，就清楚了；不了解君主就看看君主身边的人，就明白了。

I'm very competitive with myself. I'm always trying to push beyond my own boundaries.

解释：要想人爱护自己，必须先爱护别人；要想人顺从自己，必须先顺从别人。