对民主的最大威胁不是来自外部敌人,而是来自内部腐败和公民美德的丧失。
事实是,我不知道我相信什么。我还在努力弄清楚。
The human soul is a fragile thing.
To understand the universe, you must understand the language in which it is written, and that language is mathematics.
I don't want to be a star—I want to be a legend.