“He studies how to dig. Not any fool can dig. Mr. B. is no fool, and has some idea of shoving the spade as straight down as possible, so as to make it do its maximum of work at each effort. But he asks himself just what his wife asked herself some time ago. What does one do with spadefuls of earth? Why, in the first place does one dig? To loosen the soil, to aerate it, to-ah, thinks Mr. B., I know there was something that went with digging like sausages with mash: digging and manuring, old chap, digging and manuring. First catch your manure, and then make a place to put it, by digging.” (page 10)
From Doreen Wallace’s How to Grow Food: A Wartime Guide, first published in 1940.