Ingersoll's story of the man that went down from heaven on a reduced-rate excursion ticket good for 30 days --- and tried to sell his return ticket.
有一个人从天堂来到人间旅游，他所使用的是有效三十天的减价票，他试图要把他的回程票卖掉。
Old minds are like old horses; you must exercise them if you wish to keep them in working order.
成功就是对你所做的事情感到快乐。
I don't let the darkness dim my light.
A computer program does what you tell it to do, not what you want it to do.
技术将在减少排放同时满足能源需求方面发挥巨大推动作用。