一份不允许我用武力捍卫自己免受攻击的契约总是无效的。
The first rule of government spending: why build one when you can have two at twice the price?
你是自己人生的艺术家，不要把画笔交给别人。
The most innovative solution is often the one nature already provided.
The best way to predict the future is to create it.