The magic number 150 suggests that the size of our social networks is limited by the size of our brains.
剑鞘保护剑的锋利,自己却满足於它自己的迟钝。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
我们回收和循环利用的每一块塑料都是迈向更清洁地球的一步。
Abuse of power comes as no surprise.