你的声音可以改变世界。

当没有人相信你时，你必须相信自己。

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

There are unknown forces in nature; when we give ourselves wholly to her, without reserve, she lends them to us; she shows us these forms, which our watching eyes do not see, which our intelligence does not understand or suspect.

我们都在阴沟里，但仍有人仰望星空。