如果易用性是唯一的要求，那么每个人都会还在骑三轮车。
If ease of use was the only requirement, everyone would still be riding tricycles.
我们建造了太多的墙，而没有建造足够的桥梁。
Happiness is like a butterfly; the more you chase it, the more it will elude you. But if you turn your attention to other things, it will come and sit softly on your shoulder.