> Why doesn't Chollet just make a challenge that reads like "Solve cancer", surely there is no solution in any books. Why doesn't a baby just run a marathon be

> Why doesn't Chollet just make a challenge that reads like "Solve cancer", surely there is no solution in any books. Why doesn't a baby just run a marathon before it learns to walk? Because you've got to learn to walk before you can run. > But not even the whole human society can do it in one go, it's a slow iterative process of ideation and validation. So you break it down into little steps, which is what is being done here.