Without revolutionary theory there can be no revolutionary movement.
没有革命的理论，就不会有革命的运动。
The greatest breakthroughs come from those who refuse to give up.
外交并不是被动地适应变化，而是积极主动地塑造变化。
最重要的是通过给予人们超出他们当前能力的任务来培养他们的能力。
"The only person you should try to be better than is the person you were yesterday."
林业的效率并不意味着砍伐更多，而是让每一棵树都有价值。