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。
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.
A good illustration doesn't just accompany text - it converses with it.
悲观主义者是这种人：当他可以从两种罪恶中选择时，他把两种都选了。
I have nothing to offer but blood, toil, tears, and, sweat.
Every artist dips his brush in his own soul, and paints his own nature into his pictures.
为明天做的最好准备就是今天做到最好。
History has neither the desire nor the capacity to make men better or worse; it merely records what they have been and what they have done.
科学的进步依赖于挑战未知的勇气和从失败中学习的智慧。
