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。

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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.

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