"From whichever point one may regard this question, utilitarian or moral, it will -appear more and more marvellous that men should persist in squandering their money and repressing their finest moral impulses, in order to supply themselves with the costly food which they stupidly imagine to be necessary for their physical health."
January 1, 1970
https://en.wikiquote.org/wiki/A_Plea_for_Vegetarianism_and_Other_Essays