I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones。
一本书就是装在口袋里的花园。
40%的解决方案:提升幸福的能力在我们的个人掌控之中。
检验统计假设的问题由来已久,其起源已不可考。
All animals are equal, but some animals are more equal than others.
I love to practice. When I'm not playing, I'm practicing.