Revelation 10:9
And I went unto the angel, and said unto him, Give me the little book. And he said unto me, Take it, and eat it up; and it shall make thy belly bitter, but it shall be in thy mouth sweet as honey.
Cross-references
Ezekiel 2:8
Allusion
Ezekiel 2:8 contains the direct command to eat the scroll, which Revelation alludes to — a clear source for the action.
Ezekiel 3:1–3
Allusion
Ezekiel 3:1-3 describes eating the scroll and finding it sweet — the pattern John echoes, though John adds bitterness.
Ezekiel 3:14
Parallel
Ezekiel 3:14 shows Ezekiel going in bitterness after the scroll, mirroring the bitter stomach in Revelation.
Ezekiel 3:3
Allusion
Ezekiel 3:3 explicitly says the scroll tasted sweet as honey — the exact source for the sweet aspect in Revelation.