真相不止一个，每个人都有自己的真相。

如果你活着，你就得挥舞胳膊腿，上蹿下跳，制造噪音，因为生命与死亡截然相反。

伟大的传记应该像一幅肖像，既能捕捉光明也能捕捉阴影。

"It's important to write about difficult subjects in a way that children can understand."

我完全不认为我的作品可爱。

The only person you should try to be better than is the person you were yesterday.

创新是我们工作的核心。这是我们满足世界日益增长的能源需求同时减少环境足迹的方式。