Malachi 3:6
“For I am the Lord, I change not; therefore ye sons of Jacob are not consumed.”
Then shall the offering of Judah and Jerusalem be pleasant unto the Lord, as in the days of old, and as in former years.
And I will come near to you to judgment; and I will be a swift witness against the sorcerers, and against the adulterers, and against false swearers, and against those that oppress the hireling in his wages, the widow, and the fatherless, and that turn aside the stranger from his right, and fear not me, saith the Lord of hosts.
For I am the Lord, I change not; therefore ye sons of Jacob are not consumed.
Even from the days of your fathers ye are gone away from mine ordinances, and have not kept them. Return unto me, and I will return unto you, saith the Lord of hosts. But ye said, Wherein shall we return?
Will a man rob God? Yet ye have robbed me. But ye say, Wherein have we robbed thee? In tithes and offerings.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“Jesus Christ the same yesterday, and to day, and for ever.”
“God is not a man, that he should lie; neither the son of man, that he should repent: hath he said, and shall he not do it? or hath he spoken, and shall he not make it good?”
“Jesus Christ the same yesterday, and to day, and for ever.”
“Every good gift and every perfect gift is from above, and cometh down from the Father of lights, with whom is no variableness, neither shadow of turning.”
“God is not a man, that he should lie; neither the son of man, that he should repent: hath he said, and shall he not do it? or hath he spoken, and shall he not make it good?”