The essence of strategy is in the activities – choosing to perform activities differently or to perform different activities than rivals.
战略的本质在于活动——选择以不同的方式执行活动或执行与竞争对手不同的活动。
The power of mathematics comes from its ability to abstract and generalize, turning specific problems into universal truths.
A problem well put is half solved.
It is in the thirties that we want friends. In the forties we know they won't save us any more than love did.
The body is a prison, and language is the key.