For I am full of matter, the spirit within me constraineth me.
'I am full of words,' whereas the friends have not a word more to say. The spirit - (Job 32:8; Job 33:4; Jeremiah 20:9, "His word was as a burning fire shut up in my bones, and I was weary with forbearing, and I could not stay;" Acts 18:5, "Paul was pressed in the spirit")