Every piece of plastic ever made still exists somewhere on this planet—that's both our challenge and our responsibility.

Every challenge is an opportunity to learn and grow.

科学不仅仅是一门学科，它是一种思维方式。

I don’t believe in giving up.

个人的就是政治的，政治的也是个人的。

Life is a journey, not a destination.

我们在二十多岁时做出的选择是我们将领导的生活的基础。