In what has been hailed by some as "a definitive defense of the institution of traditional marriage," Robert George, and co-authors Sherif Girgis and Ryan Anderson proffer "that as a moral reality, marriage is the union of a man and a woman who make a permanent and exclusive commitment to each other of the type that is naturally fulfilled by bearing and rearing children together, and renewed by acts that constitute the behavioral part of the process of reproduction." The paper continues, "that there are decisive, principled as well as prudential reasons for the state to enshrine this understanding of marriage in its positive law, and to resist the call to recognize as marriages the sexual unions of same-sex partners."

The essay also addresses, "the strongest philosophical objections to our view of the nature of marriage, as well as more pragmatic concerns about the point or consequences of implementing it as a policy."

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