And as soon as I had eaten it, my belly was bitter - The effect immediately followed: that is, as soon as he was made acquainted with the contents of the book, either, as above explained, requiring him to deliver some message of woe and wrath which it would be painful to deliver, or that the consequence of receiving it was to bring on bitter persecutions and trials.
Related Commentaries of Revelation 10:10
Revelation 10:10
10 And I took the little book out of the angel's hand, and ate it up; and it was in my mouth sweet as honey: and as soon as I had eaten it, my belly was bitter.