From page 120 of Richard Snoddy’s “The Soteriology of James Ussher”.
“God is so pleased with the obedience of His Son that those who are united to Christ are deemed righteous, ‘as if we had fulfilled all His laws, and never broken them at any time, and as if we owed Him not a farthing.’ Ussher goes further still. Christ’s vicarious obedience in fulfilling the law obtains for believers a righteousness exceeding that of Adam’s pre-lapsarian state: ‘Christ did it for us: and the Father is better pleased with the thirty-three years’ hearty obedience of His Son, than if Adam, and all his posterity had been obedient throughout the whole course of the world: so acceptable was this obedience to God.’ ”
To which I will add: HALLELUJAH! What a Savior!