So Powerful

So powerful it can transport you to the moon Or turn a cold January day into summery June It remembers everything you've seen and done The peaks and valleys, the boredom and the fun It can spur you onward to impossible heights Or drag you down to the darkest of nights It's with you when you're born; doesn't leave you 'till you die You never can get rid of it, though at times you'd like to try How else to explain the artist, who walks across a bed of nails With nary a burn on his feet, without emitting a single wail He employs a familiar device, one that's free for all to find He does it -- and you can too! -- with the power of his mind