That 'Padua' was the poet's word is proved by the metre, and the editors had no right to change it to Milan. 'By mine honesty' occurs in exactly the same manner in the play of Damon and Pitheas, with which Shakespeare was familiar.
"If thou wilt go with me to the ale-house, so; if not."
The 2nd folio added so, which is required both by sense and metre.
Sc. 7.
"And instances of infinite of love."
The 2nd folio reads 'as infinite,' which may be right, but 'infinite' seems to be made a substantive here.