1 Kings 13:19
So he went back with him, and did eat bread in his house, and drank water.
Cross-reference
1 Kings 13:9 contains the direct command that the man of God violates here — he disobeys God's clear word.
In 1 Kings 13:22, the old prophet pronounces judgment for the disobedience that began with the meal in verse 19 — cause and effect.
Genesis 3:6 shows Adam and Eve deceived into eating what God forbade — the same pattern of deception leading to disobedience.
Deuteronomy 13:3 commands not to listen to false prophets — the man of God failed this test by listening to the liar.
Acts 4:19 states the principle of obeying God rather than men — the man of God failed to apply it here.
2 Peter 2:19 warns that being overcome leads to slavery — the man of God here is overcome by deception, becoming enslaved to the old prophet's lie.