传记作者的挑战在于既要成为侦探，又要成为诗人。

解析：佛家主张，众生皆具如来智慧德相，众生佛性本自具足。

The truth is, we are all capable of terrible things. But we are also capable of great kindness.

书籍是通往宇宙的钥匙。

"Happiness is not something ready made. It comes from your own actions."

写作的行为是一种勇气与反抗的行为。