British gambling site gamble.co.uk has a good selection of humorous
gambling quotations from a variety of sources... examples include:
"A gambler with a system must be, to a greater or lesser extent, insane." George Augustus Sala (1828-95) English writer and journalist
"You cannot beat a roulette table unless you steal money from it." -Albert Einstein
They were burying a high-roller in Las Vegas and a few of his gambling cronies were gathered grave side when the minister said; "Gus is merely sleeping." His best friend was heard muttering: "I've got a hundred that says he's dead."
"Your best chance to get a Royal Flush in a casino is in the bathroom." -VP Pappy (A crusty old sage that still roams the Green Felt Jungles in Detroit)
"Fortune knocks at every man's door once in a lifetime, but in a good many cases the man is in a neighboring saloon and does not hear her." -Mark Twain
In Atlantic City, N.J., elderly gamblers got flu shots Monday at Bally's Park Place ballroom while slot machines jangled in the next room. Nurses said the shot could cause soreness in their arms, but many replied they would work it out by pulling the slot machine handle.