And if criminals are the price we must pay for rebels, heretics, and geniuses, I’m willing to pay it. I demand the price be paid.

> Are criminals the only possible payment? Can’t you have geniuses without criminals?

You can’t have geniuses and saints without having people far outside the norm, and I don’t see how you can have such things on only one side of the norm. There is bound to be a certain symmetry.

Golan Trevize, in Foundation and Earth