The beauty of the world has two edges, one of laughter, one of anguish, cutting the heart asunder.
为孩子画画是要抓住本质，而不是细节。
Courage is a virtue necessary not only in war, but in life as well.
The study of Shimura varieties is a meeting point of geometry, algebra, and number theory.
The more you know about something, the more interesting it becomes.