I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you； otherwise it’s easy to miss something important.
我非常相信用清单来解决难题。你需要在你面前得到所有可能和不可能的答案；否则很容易错过一些重要的东西。
The social brain hypothesis suggests that our intelligence evolved to manage our complex social lives.
Time transforms everything, and painting is no exception.
物种和系统的多样性不是复杂，而是保险。