Coach Joe Schmidt offers only a wise, wry smile when the outlandish prospect of a first British Isles 'grand slam' for the Wallabies in 40 years is broached.
Yet following a dramatic weekend of European rugby, suddenly perhaps the prospect didn't seem such a distant pipedream after all, even for a pragmatist like him.
"The grand slam may still be alive," acknowledged Schmidt after his side had, almost miraculously, avoided tumbling at the first of the four hurdles against England at Twickenham, escaping to run out as last-gasp, 42-37 winners.
