我在历史中学到的唯一东西就是：大众从未从历史中汲取教训。
What we learn from history is that people don't learn from history.
The easiest and noblest way is not to be crushing others，but to be improving yourselves.
无产阶级，现今社会的最下层，如果不炸毁构成官方社会的整个上层，就不能抬起头来，挺起胸来。