This file is a desktop wallpaper file that can be used as the background on your computer. The quote is from Galileo about mathematics.***These files are for personal use only.The extraction of the image for use in any other project is strictly prohibited and violates copyright.This product is copyright material and can not be sold, repackaged, or distributed in any way without explicit written permission from DNJDesigns. Content and images can not be copied or extracted to use in any other doc