The Soviet Union was a civilization of fear, where people lived in constant dread of the knock on the door at night.

我拒绝接受人类的末日。

Attosecond science allows us to capture the fastest motions in the microcosm, like freezing the wingbeat of a hummingbird.

最重要的是对自己诚实。

疯子带瞎子走路，这就是这个时代的病态。