"Those who make conscientious trial of a vegetarian diet will find, after two or three years' experience, that they have secured three main advantages. Their health will be better, their household expenses will be less, and they will have the satisfaction of feeling that they are in no way responsible for the cruelties of the slaughter-house."
January 1, 1970
https://en.wikiquote.org/wiki/A_Plea_for_Vegetarianism_and_Other_Essays