不是关于能够做某事，而是关于能够做好它。
It’s not about being able to do something, it’s about being able to do it well.
I don't count my sit-ups. I only start counting when it starts hurting.
Un libro es siempre una puerta abierta a otro mundo.
When people talk, listen completely. Most people never listen.
The future of coal lies in clean and efficient utilization.
