"Vegetarianism," says one, "maybe all very well for the rich and indolent, but the hardworking man must have his meat." " The labouring classes," says another, '^ may doubtless perform their merely bodily work on a vegetarian diet, but those who have to work with their minds need a more stimulating diet."
January 1, 1970
https://en.wikiquote.org/wiki/A_Plea_for_Vegetarianism_and_Other_Essays