In fact Julius Caesar, De bello Gallico, trans. H.J. Edwards (Loeb, 1970), 252-3 (Book V, 14), comments on the general similarity between the whole way of life of the Gauls and that of the people of south-east Britain, not just their religion - `differing but little from the Gallic manner of life' (neque multum a Gallica differunt consuetudine').