自然必须通过感受来体验。
True innovation comes from a deep understanding of user needs.
狗是人类的朋友，因为它看人不分贵贱。
The revolution is made through human beings, but individuals must forge their revolutionary spirit day by day.
The best way to predict the future is to create it.
解释：凡是有利的地方，虽然是极高的山，没有不可以上去的；即令有极深的水，没有不可以下去的。
爱之深，责之切。