释义：推究古代的事例来验证今天的情况，从而避免困惑；先揣度事情的始末，后仔细考虑，从而应对突发情况。这是对借鉴历史、谨慎行事的智慧的强调。 

On progress: "If you're competitor-focused， you have to wait until there is a competitor doing something. Being customer-focused allows you to be more pioneering."

我不会因为人们想看别的东西而改变我是谁。