Life is a leaf of paper white，thereon each of us may write his word or two.

We thought that we had the answers, it was the questions we had wrong.

We Germans will never get rid of Hitler. He is like a birthmark on our face.

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.

技术是在满足全球能源需求的同时减少排放的关键因素。

没有人足够智慧去了解什么是真正的好或坏。

不相容原理无法从旧量子力学中推导出来，而是一条新的自然法则。