The Butterfly upon the Sky — Abstraction

The Butterfly upon the Sky, 1
That doesn't know its Name
And hasn't any tax to pay
And hasn't any Home
Is just as high as you and I, 5
And higher, I believe,
So soar away and never sigh
And that's the way to grieve-
(F.1559/J.1521)
[1] Butterfly, Sky:: a thought in head like a flying butterfly.
[2] Name:: a descriptive title of the thought.
[3] tax:: an obligation.
[4] Home:: a feeling of belonging.
[5] as high as you and I:: a thought is as high as we can dream.
[6] higher:: Dickinson believed the thought can be higher.
[7] soar away, never sigh:: when in grief, she would wander her mind and not sigh.
[8] the way to grieve:: with absence of mind to grieve.