改变世界不需要魔法，我们体内已经蕴藏了所有力量。

80% of life's most defining moments take place by age 35.

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.

过去并没有死去。它甚至还没有过去。