Looking through the shelves in a second hand book shop you stumble upon a book containing mathematical puzzles. What particularly catches your attention is that someone has written a message, in pencil, on the back page of the book:
Can you discover the meaning of the secret message?
Begin by removing every second letter:
H A M A N C A R R Y I N G
A W A T E R B U F F A L O
Reading across the rows, reveals the excellent advice:
NEVER ARGUE WITH A MAN CARRYING A WATER BUFFALO