That makes his opening with this bigger key:
30 This other doth command a little door
Which from the vineyard to the garden leads;
[There have I made my promise]
Upon the heavy middle of the night
To call upon him.
35 Duke. But shall you on your knowledge find this way?
Isab. I have ta’en a due and wary note upon’t:
With whispering and most guilty diligence,
In [action all of precept], he did show me