解释：曲子高妙，不是人人都能和唱；说出真相，不是人人都能相信。

What I remember above all about Harvard was being in the midst of so much energy and intelligence. It could be exhilarating, intimidating, sometimes even discouraging, but always challenging. It was an amazing privilege…and though I left early, I was transformed by my years at Harvard, the friendships I made, and the ideas I worked on.

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.

Inflation is a very simple idea, but it explains a lot of things.

最成功的领导者是那些认识到领导力不是关于他们自己，而是关于他们所服务的人。

The concept of topological protection in electronic systems is a profound insight that bridges abstract mathematics and practical physics.