A man is a dangerous thing, a man who has nothing to lose is even more dangerous.
一个人是危险的，一个没有什么可失去的人更危险。
What we learn from history is that people don't learn from history.
The greatest lessons come from the hardest struggles.
第一代杂种的同一性，第二代的不相似性，是精确观察者无法忽视的事实。