I don't have to prove anything to anyone. I only have to follow my heart and concentrate on what I want to say to the world. I run my world.
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
The best way to scale a program is to scale it.
比喻做事要专心致志,不能一心二用。