1 Kings 13:8
And the man of God said unto the king, If thou wilt give me half thine house, I will not go in with thee, neither will I eat bread nor drink water in this place:
Cross-reference
Numbers 22:18 has Balaam refuse Balak with nearly identical wording: 'If he gave me his house full of silver and gold, I cannot go beyond the word of the LORD.'
In 2 Kings 5:16, Elisha similarly refuses Naaman's gifts — a clear parallel of a prophet rejecting worldly reward.
2 Kings 5:26 has Elisha rebuking Gehazi for accepting gifts — directly contrasting the prophet's refusal here.
In 2 Corinthians 11:9, Paul refuses to be a burden by accepting support — mirroring the prophet's refusal of the king's provisions.
Genesis 14:22 has Abram refusing any gift from Sodom's king — a strong parallel of a godly man rejecting worldly offers.
Numbers 24:13 shows Balaam again refusing to go beyond God's word — the same sentiment as the prophet's refusal here.