度过生活的唯一方法就是笑着度过它。你要么笑，要么哭。我更喜欢笑。哭会让我头疼。

I'm not afraid of aging. I think it's a privilege to grow old.

In the midst of difficult times， it is our response that defines us， not the circumstances.

化学不仅是一门科学，更是一种思维方式。