"The world is full of obvious things which nobody by any chance ever observes."

最成功的产品往往是解决日常问题的最简单方案。

The best way to cheer yourself up is to try to cheer somebody else up.

Science is the torch that illuminates the world.

在变革时期，学习者将继承地球，而学富五车的人会发现自己装备精良，却面对一个不复存在的世界。