蒸汽机中运动的产生总是伴随着一个我们应关注的情况，即热量的平衡重建。

Old soldiers never die. They just fade away.

No one ever gets far unless he accomplishes the impossible at least once a day.

"Truth in fiction often runs deeper than in reality."

永远不要停止学习；一旦停止，你就会开始落后。