For it is still the lover's mind
That all, except himself, are blind.
The piece is also assigned to Rudyard. Mr. Thorn-Drury notes a variant at ll. 23-8 of some interest from Parnassus Biceps, where the title is 'A Lover to one dispraising his Mistress':
so clear
That thou couldst view my object there;
When thou her virtues didst espy,
Thou 'ldst wonder and confess that I
Had cause to like; and learn from hence
To love.