消费者的期望正在变化，企业必须适应，否则将面临淘汰。
The present state of the system of nature is evidently a resultant of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.
科学与艺术并非对立。（摩尔斯同时是画家和发明家）