"Of hoarding abbots; imprison'd angels
Set at liberty: the fat ribs of peace."
Never was a more happy and a more certain correction than S. Walker's transposition of 'imprison'd angels' and 'Set at liberty,' which restores the metre of two lines.
"Sound on into the drowsy race of Night."
As Shakespeare had read, in the Faerie Queen, of Night "To run her timely race" (i. 5. 45), the attempted corrections of 'race' are all superfluous. So also is Warburton's reading of one for 'on'; for 'Sound on' is keep sounding.
"Then in despight of brooded, watchful day."
As 'brooded' is brooding, no just objection can be made. Pope proposed broad-eyed, Mitford broad and.