A poster displaying 'I take it you already know', a poem describing the difficulties in the English language.
This poem quoted by Vivian Cook and Melvin Bragg 2004, by Richard Krogh, in D Bolinger & D A
Sears, Aspects of Language, 1981, and in Spelling Progress Bulletin March 1961,
Attributed to T S Watt (1954), Brush up on your English with Hints on Pronunciation for
visiting Foreigners, from the Manchester Guardian.