You might be currently convinced that some task at your hand is impossible. You have thoroughly examined the situation, pondered all the ins and outs, and only have a headache to show for it. Take a step back. Look at the sky. There are currently thousands of people speedily, yet safely, hurling through it. Look at the device in your hands and the screen in front of your face, somehow connected to a global network of other creatures like yourself. Nothing is impossible with the right perspective. Dahlia Polk and the like do exist, just keep looking.