User needs are both the starting point and the ultimate goal of product development.
用户需求是产品开发的出发点，也是落脚点。
History will be kind to me for I intend to write it.
The total amount of suffering per year in the natural world is beyond all decent contemplation. During the minute that it takes me to compose this sentence, thousands of animals are being eaten alive, many others are running for their lives, whimpering with fear, others are slowly being devoured from within by rasping parasites, thousands of all kinds are dying of starvation, thirst, and disease.
大自然似乎有意让电的定律从大空间观察到的现象中推导出来，而不是从实验室狭窄范围内观察到的现象中推导出来。
Education is the most powerful weapon which you can use to change the world.