工程事业，必学术经验相辅而行，徒恃空谈，断难任事。
工程事业必须学术和经验相辅相成，仅靠空谈绝对难以胜任。
"Reading is a form of prayer, a guided meditation that briefly makes us believe we're someone else."
阅读是一种祈祷形式，一种引导冥想，让我们短暂地相信自己变成了另一个人。
Coal’s future depends on our ability to make it cleaner and more efficient.
Sometimes we get sad about things and we don’t like to tell other people that we are sad about them.