领导力是激励他人实现他们认为不可能的事情。

The discovery of topological insulators has opened up a new frontier in condensed matter physics, where the interplay between topology and symmetry leads to novel quantum states of matter.

错误同真理的关系，就象睡梦同清醒的关系一样。一个人从错误中醒来，就会以新的力量走向真理。

Make it a rule never to give a child a book you would not read yourself.

The bond between humans and the land is fundamental to our survival.