it doesn't take a rocket scientist (to do something)
(redirected from it doesn't take a rocket scientist to do something)it doesn't take a rocket scientist (to do something)
One doesn't have to be particularly intelligent to be able to do or understand something. I doesn't take a rocket scientist to learn how to change the oil in your car. It doesn't take a rocket scientist to know that you have to unplug electrical equipment before you try to fix them.