Vous avez cherché: nequeidem decebat (Latin - Anglais)

idem manebat neque idem decebat
he remained the same when the same style no longer became him

idem manebat, neque idem decebat
remained the same

talis enim decebat ut nobis esset pontifex sanctus innocens inpollutus segregatus a peccatoribus et excelsior caelis factu
for such an high priest became us, who is holy, harmless, undefiled, separate from sinners, and made higher than the heavens;

decebat enim eum propter quem omnia et per quem omnia qui multos filios in gloriam adduxerat auctorem salutis eorum per passiones consummar
for it became him, for whom are all things, and by whom are all things, in bringing many sons unto glory, to make the captain of their salvation perfect through sufferings.