We don't inherit the earth from our ancestors; we borrow it from our children.
宁可在田野中狩猎以求健康,也不花钱让医生开令人作呕的药。
我心中的伟大目标是让机器变得如此完美,以至于无需人手的帮助就能完成工作。
幸福不是你为未来推迟的东西;它是你为现在设计的东西。
The power of mathematics lies in its ability to abstract and generalize.