化学是一门研究物质性质及其变化的科学。

The only way to do great work is to love what you do.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

挑战让我更强大。

We live in a world where people are judged by their worst actions, not their best.

行业与社区之间的合作是可持续林业的关键。