任务必须是困难的，因为只有困难才能激发高尚的心灵。
The task must be made difficult, for only the difficult inspires the noble-hearted.
"Every book is a journey, and every journey is a book."
道德戒律是完美的戒律。
I'm the walking dead, but I'm just a talking head, a zombie floating around, but I got a homie, underground.
可持续发展始于小步，但需要大视野。