The best time to plant a tree was 20 years ago. The second best time is now.

在煤炭行业，今天的效率决定明天的存亡。

You have to believe in yourself when no one else does.

司马牛问君子。孔子说：“君子不忧不惧。”问：“不忧不惧，就能叫做君子吗？”孔子说：“问心无愧，何来忧惧？”

And America, too, is a delusion, the grandest one of all.

Don't push me cause I'm close to the edge, I'm trying not to lose my head.

Liberty cannot be preserved without a general knowledge among the people.

教育儿童，就不需要惩罚成年人。