我们对明天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."
沉默是用其他方式进行的辩论。
"The poet is a liar who always speaks the truth."
The future of coal depends on balancing economic growth with environmental care.
最成功的领导者是那些认识到领导力不是关于他们自己,而是关于他们所服务的人。
The greatest discoveries in mathematics are those that unify seemingly unrelated ideas.