If you borrow something， try to return it in better shape than you received it. Clean it， sharpen it， fill it up.

Character is doing the right thing when nobody's looking. There are too many people who think that the only thing that's right is to get by, and the only thing that's wrong is to get caught.

I don't like to be labeled as just one thing.

I don't think you can ever be too prepared.

现在是过去的未来。

科学不仅仅是寻找答案，更是提出正确的问题。