我们生活在一个过去总是存在的世界。

People can be divided into these types: strangers, acquaintances, familiar people, friends, and close friends. True friendship isn't about compliments to your face, but whether you're mentioned when they talk about friends behind your back.

The ultimate goal of neuroscience is to understand how the brain gives rise to the mind.

生活是个婊子，死亡是她的姐妹。

不论你怎么看待历史，历史都会在你身上留下痕迹。