世界需要能源，而我们的责任是负责任地提供它。

The future of coal lies in balancing environmental responsibility with energy demands.

It is in your self-interest to find a way to be very tender.

Make no mistake about it: Computers process numbers - not symbols. We measure our understanding (and control) by the extent to which we can arithmetize an activity.

作家的任务不是告诉你该如何感受，而是告诉你一些事情并让你感受到它。