By Gordon Rugg
If one of your students ever complains that you’re making too much fuss about correct spelling…
https://uk.pinterest.com/pin/573223858803590270/
(Image used under fair use terms, as a humorous low-resolution copy of an image already widely circulated)
If you want a more detailed explanation, this previous article goes into more depth (but is less artistically striking…)
hyde and rugg 