世界上充满了显而易见的事情，却没人注意到。
The world is full of obvious things which nobody by any chance ever observes.
The said truth is that it is the greatest happiness of the greatest number that is the measure of right and wrong.
The study of auctions teaches us about the broader workings of markets.
There is no way you can live an adequate life without making mistakes.
当我们想到过去时，我们挑选的是美好的事物。我们想相信一切都是那样的。