IMHO
http://www.shuntington.k12.ny.us/schools/countrywood/martel/butterfliies.htm http://can-do.com/uci/lessons99/butterfly.html http://www.canteach.ca/elementary/songspoems26.html http://www.nrca.org/publications/poems/Poem-IAmaTree.htm
Oh and by the way I do believe that "The pen is mightier than the sword", even when it's work can be edited, commented, criticized, refactored, deleted, burned, lost, forgotten.......and you have a computer handy ;)