你的时间有限,所以不要浪费在过别人的生活上。
Fear of change stifles progress; understanding change directs it.
The more honest you are, the more open, the less fear you will have.
User needs are both the starting point and the ultimate goal of product development.
经济周期不仅仅是围绕某个平滑趋势的波动,而是经济受到根本性冲击的结果。