___ _.-' \ / \ / \ / `.___ ( .--.)\/(,.--. `-. ,',-. \ / ,-.`. ) ( / \ / \ ) / \ || .-| |-. ||---'| \ _|| | | | | ||_ | \ /. \ |_|.---.|_| / ,\ | .^.\ `.\ `--" "--' /,' |/ `> _________ <' ,-' ,---.---.---. `-. `--'\ \j/ /`--' `.\ /,' \\_______// `-------' Why do mathematicians insist on using words that already have another meaning? "It is the complex case that is easier to deal with." "If it doesn't happen at a corner, but at an edge, it nonetheless happens at a corner."