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No matter what he does, every person on earth plays a central role in the history of the world. And normally he doesn't know it.
I’m a very positive thinker, and I think that is what helps me the most in difficult moments.
衣食是人们活着的时候所需要的利益,尚且要有一定的节制;埋葬是人们死后所需要的利益,为什么就单单在这里没有节制呢? 
The food system must evolve to meet the needs of a growing population.
出自培根,郦波在讲座中引用并阐释
The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.