 As Marcus Singer and others have observed (Singer 1974), Sidgwick’s notion of a “method” of ethics is not the same as that of an ethical principle, ethical theory, or ethical decision-procedure. A “method” is a way of “obtaining reasoned convictions as to what ought to be done” and thus it might reflect a commitment to one or more ethical principles as the ultimate ground of one’s determination of what one has most reason to do, here and now, while allowing that one might ordinarily be reasoning from such principles either directly or indirectly. Thus, one might, on theological grounds, hold that the moral order of the universe is utilitarian, with God willing the greatest happiness of the greatest number, while also holding that the appropriate guide for practical reason is enlightened self-interest, since utilitarian calculations are God’s business and God has ordered the cosmos to insure that enlightened self-interest conduces to the greatest happiness. In this case, one’s “method of ethics” would be rational egoism, but the ultimate philosophical justification for this method would appeal to utilitarian principles. Still, despite this emphasis on the reasoning process between principles and practical conclusions—another reflection of his struggles with subscription—Sidgwick obviously had quite a bit to say in the Methods about the defense of the ultimate principles of practical reason (Crisp 2014, 2015).