If you want to understand function, study structure.
苦难!我们所有美好的品质、生命中的价值都归功于它;我们因它而怜悯,因它而勇敢,因它而拥有所有美德。
The world is so full of a number of things, I'm sure we should all be as happy as kings.
"Children's books should challenge, comfort, and inspire."