I used to think the world was broken down by tribes. Then I thought it was broken down by rich and poor. Then I thought it was broken down by stupid and smart. But I know now that it is broken down by people who are alive and people who are dead.
最伟大的诗歌是那些能够触动人心的诗歌。
人生不能像做菜，把所有的料都准备好了才下锅。
In mathematics, the simplest questions often lead to the deepest insights.
The photograph isn't good enough. It's not radical enough.