Claiming your 20s is one of the simplest, yet most transformative, things you can do for work, for love, for your happiness, maybe even for the world.
你看不见你自己，你所看见的只是你的影子。
An expert is a person who has made all the mistakes that can be made in a very narrow field.
The world has the technology - either available or well advanced in the research pipeline - to feed on a sustainable basis a population of 10 billion people.
法律与道德的区别是法律哲学中的一个基本问题。