"You get it, chief?" The general manager was wildly jubilant. "You get it? There isn’t any industrial research group of any size that isn’t trying to develop a space-warp engine, and Consolidated and U.S. Robots have the lead on the field with our super robot-brains. Now that they’ve managed to foul theirs up, we have a clear field. That’s the nub, the . . . uh . . . motivation. It will take them six years at least to build another and they’re sunk, unless they can break ours, too, with the same problem."