每个人都是自己最大的敌人，仿佛是自己的凶手。
Every man is his own greatest enemy， and as it were his own murderer.
The success of any political system depends on its ability to generate legitimacy in the eyes of its citizens.
A vida é um constante aprendizado.
我认为孩子是最好的评论家，因为他们完全诚实。
当没有人相信你时，你必须相信自己——这让你立刻成为赢家。