Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people die tomorrow night, so don't give up today.
今天很残酷，明天更残酷，后天很美好，但绝对大部分是死在明天晚上，所以每个人不要放弃今天。
在人类（以及动物）的漫长历史中，学会最有效合作与应变的人最终胜出。
It's not whether you're right or wrong that's important, but how much money you make when you're right and how much you lose when you're wrong.
幽默是儿童书籍中的强大工具；它可以让严肃的话题变得易于接受。
机械和节省劳力的装置只有在降低制造成本时才具有价值。