The spirit of a man is the most valuable thing in the world.
投资农民教育能带来最高的回报。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
没有什么比煤矿工人更美国了。
我们必须通过文学来理解我们的历史。
The future belongs to those who prepare today.