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

每个人都害怕受伤。

Factoring large numbers is believed to be hard for classical computers, but quantum computers can do it efficiently.

Tragic art, as it developed in the theaters of ancient Greece, in the fifth century B.C., was essentially an art form devoted to tracing how people fail, and also according them a level of sympathy, which ordinary life would not necessarily accord them. A few years ago, I was thinking about this, and I went to "The Sunday Sport," a tabloid newspaper I don't recommend you start reading if you're not familiar with it already.