The technology that surrounds football now may be far more complicated than before, but Charlton believes football remains a simple game.
"All you need for football is grass. Grass and goalposts, that's all," he said.
"Lads will run about, they'll find their own way, you just need to put a few shirts down and you've got a pitch. There's no problem."
Maximise
That may be good enough for a Sunday afternoon kick-about in the park, but it is not the sort of thing you can imagine the methodical Sven-Goran Eriksson approving of.
The England coach will do anything he can to maximise the chances of his side, but even that may not be enough to emulate the England team of 1966.
That will take team-work, skill and luck.
And, as Charlton and Cohen will tell you, mankind has yet to invent a machine that can produce any of those vital factors.
The legends of 1966 were supporting the launch of the Orchid Cancer Appeal, founded to tackle prostate and testicular cancer.