It wasn't the fact that they were running that time and they say "Oops! We are over the speed limit!

不是因为跑到那个时间,就说“不好，超过速度极限了！

哈佛公开课 - 幸福课课程节选

Physiologists ran tests, showing, proving scientifically the limit of human ability was running the mile in 4 minutes.

生理学家进行实验，在科学上展示证明人类能力极限,是四分钟跑一英里。

哈佛公开课 - 幸福课课程节选