Eat this roll, and go speak - This must have passed in vision; but the meaning is plain. Receive my word - let it enter into thy Soul; digest it - let it be thy nourishment; and let it be thy meat and drink to do the will of thy Father who is in heaven.
Before, there was a direct commission, now there is a symbolic action. John has the same vision (Revelation 10:8 ff), but there that is expressed, which is here left to be inferred, namely, that “as soon as he had eaten it his belly was bitter.” The sweetness in the mouth denoted that it was good to be a messenger of the Lord (compare the margin reference), but the bitterness which accompanied it, denoted that the commission brought with it much sorrow.