“Cymaint â phosibl, dylai penderfyniadau sy’n effeithio ar fywydau pob dydd pobl gael eu gwneud mor agos â phosibl at y bobl hynny, ond pan fo’r rhannau gwahanol o’r Deyrnas Unedig yn dewis dod at ei gilydd i gyfuno adnoddau a rhannu’r buddion, mae hynny hefyd yn rhan bwerus o’r fargen.
“As much as possible, decisions which affect people’s daily lives should be made as close to the people as possible, but where the component parts of the United Kingdom choose to come together to pool resources and to share rewards, then that is also a powerful part of the deal.