Romans 3:5

But if our unrighteousness serve to display the righteousness of God, what shall we say? Is God unrighteous who inflicteth punishment? (I am speaking as men do.)

Romans 6:19

I speak in a way common among men on account of the weakness of your flesh. For as ye once yielded your members as slaves to impurity and to iniquity, in order to commit iniquity, so now yield your members as bondmen to righteousness in order to become holy.

Galatians 3:15

Brethren, I speak according to what is practised among men; no one sets aside even a human covenant, or makes additions to it, after it has been ratified.

1 Corinthians 9:8

Is it on mans authority that I am saying these things, or doth not the Law too say the same?

Romans 2:5

But according to thy hardness and impenitent heart, thou art treasuring up for thyself wrath against the day of wrath and of the manifestation of the righteous judgment of God,

Romans 4:1

What advantage then shall we say that Abraham our father had as to the flesh?

Romans 7:7

What then shall we say? Is the Law sin? God forbid! But I should not have known sin, except by the Law; for I should not have known sinful desire, unless the Law had said, "Thou shalt not covet."

Romans 3:7

For if, through my being false, the truth of God hath been more abundantly manifested to his glory, why am I still judged as a sinner?

Romans 3:19

Now we know that whatever the Law saith, it saith to those who are under the Law; that every mouth may be stopped, and all the world become subject to condemnation before God.

Romans 3:25-26

whom, in his blood, through faith, God hath set forth as a propitiatory sacrifice, in order to manifest his righteousness, on account of his passing by, in his forbearance, the sins committed in former times;

Romans 6:1

What shall we say then? Let us continue in sin, that grace may abound still more?

Romans 8:20-21

For the creation was brought into subjection to vanity not of its own will, but by reason of him who put it into subjection,

Romans 9:13-14

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

Romans 9:18-20

So then he hath mercy on whom he will, and hardeneth whom he will.

Romans 12:19

Dearly beloved, avenge not yourselves, but rather make room for wrath; for it is written, "Vengeance is mine; I will repay, saith the Lord."

1 Corinthians 15:32

If with the views of men I fought with wild beasts at Ephesus, what advantage is it to me? If the dead rise not, "let us eat and drink, for tomorrow we die."

2 Thessalonians 1:6-9

since it will be just with God to repay distress to them that distress you,

Revelation 15:3

And they sing the song of Moses the servant of God, and the song of the Lamb, saying: Great and marvelous are thy works, Lord God Almighty; just and true are thy ways, thou King of the nations;

Revelation 16:5-7

And I heard the angel of the waters saying, Righteous art thou, who art and wast holy, because thou hast judged thus;

Revelation 18:20

Rejoice over her, thou heaven, and ye saints and ye apostles and ye prophets! for God hath avenged you on 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, through my being false, the truth of God hath been more abundantly manifested to his glory, why am I still judged as a sinner?
Romans 8:20
For the creation was brought into subjection to vanity not of its own will, but by reason of him who put it into subjection,

Is god

Romans 2:5
But according to thy hardness and impenitent heart, thou art treasuring up for thyself wrath against the day of wrath and of the manifestation of the righteous judgment of God,
Romans 3:19
Now we know that whatever the Law saith, it saith to those who are under the Law; that every mouth may be stopped, and all the world become subject to condemnation before God.
Romans 9:18
So then he hath mercy on whom he will, and hardeneth whom he will.
Romans 12:19
Dearly beloved, avenge not yourselves, but rather make room for wrath; for it is written, "Vengeance is mine; I will repay, saith the Lord."
2 Thessalonians 1:6
since it will be just with God to repay distress to them that distress you,
Revelation 15:3
And they sing the song of Moses the servant of God, and the song of the Lamb, saying: Great and marvelous are thy works, Lord God Almighty; just and true are thy ways, thou King of the nations;
Revelation 16:5
And I heard the angel of the waters saying, Righteous art thou, who art and wast holy, because thou hast judged thus;
Revelation 18:20
Rejoice over her, thou heaven, and ye saints and ye apostles and ye prophets! for God hath avenged you on her.

I speak

Romans 6:19
I speak in a way common among men on account of the weakness of your flesh. For as ye once yielded your members as slaves to impurity and to iniquity, in order to commit iniquity, so now yield your members as bondmen to righteousness in order to become holy.
1 Corinthians 9:8
Is it on mans authority that I am saying these things, or doth not the Law too say the same?
Galatians 3:15
Brethren, I speak according to what is practised among men; no one sets aside even a human covenant, or makes additions to it, after it has been ratified.