2 Corinthians 1:18

Now God is faithful, that our word to you is not yea and nay.

1 Corinthians 1:9

God is faithful, by whom ye have been called into the fellowship of his Son Jesus Christ our Lord.

John 7:28

Jesus therefore cried out in the temple, teaching and saying, Ye both know me and ye know whence I am; and I am not come of myself, but he that sent me is true, whom ye do not know.

John 8:26

I have many things to say and to judge concerning you, but he that has sent me is true, and I, what I have heard from him, these things I say to the world.

2 Corinthians 1:23

But I call God to witness upon my soul that to spare you I have not yet come to Corinth.

2 Corinthians 2:17

For we do not, as the many, make a trade of the word of God; but as of sincerity, but as of God, before God, we speak in Christ.

2 Corinthians 11:31

The God and Father of the Lord Jesus knows he who is blessed for ever that I do not lie.

1 John 5:20

And we know that the Son of God has come, and has given us an understanding that we should know him that is true; and we are in him that is true, in his Son Jesus Christ. He is the true God and eternal life.

Revelation 3:7

And to the angel of the assembly in Philadelphia write: These things saith the holy, the true; he that has the key of David, he who opens and no one shall shut, and shuts and no one shall open:

Revelation 3:14

And to the angel of the assembly in Laodicea write: These things says the Amen, the faithful and true witness, the beginning of the creation of God:

Treasury of Scripture Knowledge

Summary

But as God is true, our word toward you was not yea and nay.

Bible References

As

2 Corinthians 1:23
But I call God to witness upon my soul that to spare you I have not yet come to Corinth.
2 Corinthians 11:31
The God and Father of the Lord Jesus knows he who is blessed for ever that I do not lie.
John 7:28
Jesus therefore cried out in the temple, teaching and saying, Ye both know me and ye know whence I am; and I am not come of myself, but he that sent me is true, whom ye do not know.
John 8:26
I have many things to say and to judge concerning you, but he that has sent me is true, and I, what I have heard from him, these things I say to the world.
1 John 5:20
And we know that the Son of God has come, and has given us an understanding that we should know him that is true; and we are in him that is true, in his Son Jesus Christ. He is the true God and eternal life.
Revelation 3:7
And to the angel of the assembly in Philadelphia write: These things saith the holy, the true; he that has the key of David, he who opens and no one shall shut, and shuts and no one shall open: