你必须对自己所做的事情充满热情,否则就不值得去做。
You have to be passionate about what you do, otherwise it's not worth it.
The total amount of suffering per year in the natural world is beyond all decent contemplation.
读一本好书,就是和许多高尚的人谈话。
We live in a world of shadows, and we ourselves are shadows.
解释:一天放过敌人,会留下长期的祸害。