So happiness is the most popular word we have heard through the past two years. Happiness is not only related to personal experiences and personal values, but also, it's about the environment.

每次实验都是与自然的对话，而自然总有话要说。

"Even if the world changes, I won’t change."

释义：善良如同四季常青的松树，邪恶如同娇艳的花朵。从表面上看，花朵似乎比松树更美丽，但当遇到风霜时，松树依然挺立，而花朵却凋零了。