In the future, Elon Musk sees humans as metaphorical vegetable farmers.

The Tesla CEO said at the U.S.-Saudi Arabia Investment Forum in Washington, D.C. on Wednesday that in the next 10 to 20 years, work will be optional, likening the decision to having a job to the more laborious upkeep of a vegetable garden.

“My prediction is that work will be optional. It’ll be like playing sports or a video game or something like that,” Musk said. “If you want to work, [it’s] the same way you can go to the store and just buy some vegetables, or you can grow vegetables in your backyard. It’s much harder to grow vegetables in your backyard, and some people still do it because they like growing vegetables.”

The future of optional work will be thanks to millions of robots in the workforce able to usher

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