Romans 3:5

But if our unrighteousness commend the righteousness of God, what shall we say? Is not God unrighteous in inflicting wrath? (I speak humanly).

Romans 6:19

I speak humanly, because of the infirmity of your flesh: for as ye have presented your members servants to impurity and iniquity for iniquity; so now present your members servants to righteousness for holiness.

Galatians 3:15

Brethren, I speak humanly; to use a similitude, a man's testament, if it be passed in legal form, no man can vacate, or add thereunto.

1 Corinthians 9:8

Speak I these things [rationally] as a man, or doth not the law speak the same things?

Romans 2:5

But after thy obdurate and impenitent heart treasurest up for thyself wrath at the day of wrath and revelation of the righteous judgment of God,

Romans 4:1

WHAT then shall we say that Abraham our father hath obtained by the flesh?

Romans 7:7

What then shall we say? Is the law sin? God forbid. Yea, I had not known sin, but by the law: for I had not even known concupiscence, unless the law had said, Thou shalt not covet.

Romans 3:7

For if the truth of God by my lying hath more abundantly contributed to his glory; why am I notwithstanding judged as a sinner?

Romans 3:19

Now we know that whatsoever things the law saith, it speaks to those who are under the law: that every mouth might be sealed up, and all the world become criminal before God.

Romans 3:25-26

whom God hath proposed as the propitiatory sacrifice through faith in his blood, in demonstration of his justice for the remission of past sins, through the patience of God;

Romans 6:1

THAT then shall we say? Shall we abide in sin, that grace may abound?

Romans 8:20-21

For the creation was made subject to vanity, not voluntarily, but by him who made it subject,

Romans 9:13-14

As it is written, "Jacob have I loved, but Esau have I hated."

Romans 9:18-20

Well then, he hath mercy on whom he will, but whom he will he hardeneth.

Romans 12:19

Avenge not yourselves, beloved, but give place unto wrath: for it is written, "Vengeance belongeth to me; I will recompence, saith the Lord."

1 Corinthians 15:32

If after the manner of men I have fought with wild beasts at Ephesus, of what advantage would it be to me, if the dead did not rise again? shall we eat and drink; because to-morrow we die?

2 Thessalonians 1:6-9

seeing it is a righteous thing with God to recompense tribulation to them that trouble you;

Revelation 15:3

And they sung the sacred ode of Moses the servant of the Lord, and the song of the Lamb, saying, Great and marvellous are thy works, O Lord God Almighty; righteous and true are thy ways, O King of saints.

Revelation 16:5-7

And I heard the angel of the waters saying, Righteous art thou, O Lord, who art, and who wast, even the holy one, because thou hast judged these things.

Revelation 18:20

Rejoice over her, thou heaven, and ye the holy apostles and prophets, for God hath adjudged her to punishment, for the judgment inflicted on you by her.

Treasury of Scripture Knowledge

Summary

But if our unrighteousness commend the righteousness of God, what shall we say? Is God unrighteous who taketh vengeance? (I speak as a man)

Bible References

But if

Romans 3:7
For if the truth of God by my lying hath more abundantly contributed to his glory; why am I notwithstanding judged as a sinner?
Romans 8:20
For the creation was made subject to vanity, not voluntarily, but by him who made it subject,

Is god

Romans 2:5
But after thy obdurate and impenitent heart treasurest up for thyself wrath at the day of wrath and revelation of the righteous judgment of God,
Romans 3:19
Now we know that whatsoever things the law saith, it speaks to those who are under the law: that every mouth might be sealed up, and all the world become criminal before God.
Romans 9:18
Well then, he hath mercy on whom he will, but whom he will he hardeneth.
Romans 12:19
Avenge not yourselves, beloved, but give place unto wrath: for it is written, "Vengeance belongeth to me; I will recompence, saith the Lord."
2 Thessalonians 1:6
seeing it is a righteous thing with God to recompense tribulation to them that trouble you;
Revelation 15:3
And they sung the sacred ode of Moses the servant of the Lord, and the song of the Lamb, saying, Great and marvellous are thy works, O Lord God Almighty; righteous and true are thy ways, O King of saints.
Revelation 16:5
And I heard the angel of the waters saying, Righteous art thou, O Lord, who art, and who wast, even the holy one, because thou hast judged these things.
Revelation 18:20
Rejoice over her, thou heaven, and ye the holy apostles and prophets, for God hath adjudged her to punishment, for the judgment inflicted on you by her.

I speak

Romans 6:19
I speak humanly, because of the infirmity of your flesh: for as ye have presented your members servants to impurity and iniquity for iniquity; so now present your members servants to righteousness for holiness.
1 Corinthians 9:8
Speak I these things [rationally] as a man, or doth not the law speak the same things?
Galatians 3:15
Brethren, I speak humanly; to use a similitude, a man's testament, if it be passed in legal form, no man can vacate, or add thereunto.