The most elegant mathematical proofs are those that reveal truth with simplicity.

"The past is always with us, but it doesn't have to define our future."

城市是社会的一面镜子。

那些将环境挑战视为重塑机会的公司将会蓬勃发展。

我根本不是一个思维敏捷的人。我必须花很多时间才能理解一些东西。

"It's important to write about difficult subjects in a way that children can understand."