If I had to design a mechanism for the express purpose of destroying a child's natural curiosity and love of pattern-making, I couldn't possibly do as good a job as is currently being done-I simply wouldn't have the imagination to come up with the kind of senseless, soul-crushing ideas that constitute contemporary mathematics education.
"A Mathematician's Lament: How School Cheats Us Out of Our Most Fascinating and Imaginative Art Form". Book by Paul Lockhart, 2009.