Just because you can get your body or your mind in shape doesn't mean you will actually do the hard work necessary to succeed. Inertia is powerful thing. iStockphoto hide caption toggle caption iStockphoto Opinion 13.7: Cosmos And Culture Beware Of The Quick-Fix Mirage March 15, 2014 The jury is still out of brain-fitness programs. And this shouldn't surprise us. Getting our heads in shape isn't likely to be easier than getting our bodies fit, says Alva Noë.