She was my most special friend. My only friend.

跨越国界和学科的合作是应对全球健康挑战的唯一途径。

"Sometimes, you have to be apart from people you love, but that doesn't make you love them any less. Sometimes, it makes you love them more."

财产权确实是人类的一项权利，与自由一样真实。

我不是说唱歌手，我是一个诺贝尔奖得主。