Life lessons will be presented to you in the order they are needed. Everything you need to master the lesson is within you. Once you have truly learned a lesson， you will be presented with the next one. If you are alive， that means you still have lessons to learn.

真相不会让你自由，它只会让你看见锁链。

The beauty of topological insulators lies in their robustness; their surface states are protected against disorder and imperfections.

The best art is the art that stays with you.

You have to stay true to yourself and never let anyone take away your light.

自由是做法律允许的事情的权利。