You are never too old to set another goal or to dream a new dream.

The world is full of people who will tell you what you can't do. You don't need them. You already know what you can't do. What you need is someone to tell you what you can.

词语有重量，而故事有引力。

在物理学中，我们经常发现最美丽的解决方案来自于最混乱的问题。

You can't be afraid of people willing to hurt you, because if you fear life, then you will never live.

The beauty of the world has two edges, one of laughter, one of anguish, cutting the heart asunder.

点击化学不仅是一种方法，更是一种追求合成简单和可靠的哲学。