实现明天理想的唯一限制是我们今天的疑虑。
The only limit to our realization of tomorrow is our doubts of today.
If they can get you asking the wrong questions, they don't have to worry about answers.
天下的老百姓如果都向上统一于天子，而不向上统一于天的意志，那么灾祸就还没有完全离去。