When you work fast, you finish more things, and that motivates you to maintain the lead and do even more stuff.

你工作的速度快，完成的事情就更多，就能激励你保持领先，做更多事情。

youdao

If you choose to stay, you can still work fast and use the remaining time to develop your interest in reading or writing to keep improving yourself.

如果你选择留下来，那么你仍应迅速完成工作，然后用余下的时间去培养自己对阅读写作的兴趣，从而不断提升自己的水平。

youdao

I think it's more of a psychological feel-good factor - Since you are up before 99.99% of the world, you want to maintain the lead, so that spurs you on to work fast.

我认为这是一种感觉良好的心理因素——既然你比世界上99.99%的人起得早，你想保持领先，所以激励你快速工作。

youdao

But in tough times, or if you are on a fast track, you could spend upward of 80 to 90 hours a week at work.

FORBES: Kindness At The Office

It's better for you to just put them to work right now at a fast-food place, and they'll be bringing in a little bit of income.

WHITEHOUSE: Online Town Hall

"Sometimes you work like a dog on a car and it's not very fast, " he says.

WSJ: Gentlemen, Start Your Little Cars: These Derbies Are for Grown-Ups