What Blake poem is this from? For a tear is an intelectual thing; and a sigh is

Question: What Blake poem is this from!? For a tear is an intelectual thing; and a sigh is the sword of an angel king"!?

I found the line attributable to William Blake and supposedly to a poem entitled "The Agony of Faith" - I can't find "Agony of Faith" anywhere, so perhaps that is wrong!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

The Grey Monk by William BlakeWww@QuestionHome@Com