Sabine Baring-Gould

Incontestably, the great centres of population in the primeval ages were the chalklands, and next to them those of limestone. The chalk first, for it furnished man with flints, and the limestone next when he had learned to barter.

It is certain, indeed, that the sacred writers were apt to make great allowances for people with empty stomachs, and though I am well aware that the present profane ones think this very reprehensible, I venture to agree with the sacred writers.