My name is Usain Bolt and I am the fastest man in the world.

Boundaries define us. They define what is me and what is not me. A boundary shows me where I end and someone else begins, leading me to a sense of ownership.

集成电路是一个寻找问题的解决方案。

Quality is not a goal; it is a journey.

The past is a cupboard full of light and all you have to do is find the key that opens the door.