
“A dog teaches a boy fidelity, perseverance, and to turn around three times before lying down.”
"Your Boy and His Dog," Liberty magazine, (30 July 1932)
Also published in Chips Off the Old Benchley http://books.google.com/books?id=1-gHw9bqQqAC&q=%22A+dog+teaches+a+boy+fidelity+perseverance+and+to+turn+around+three+times+before+lying+down%22&pg=PA94#v=onepage (1949)