Galatians 1:11

For I would have you know, brothers, that the gospel I preach is not man-made;

1 Corinthians 2:9-10

Nay, as it is written. Eye has not seen, Nor ear heard, Neither have entered into man's heart The things which God has prepared For those who love him.

1 Corinthians 11:23

For I passed on to you the account, which I myself received from the Lord; how the Lord Jesus, on the very night he was betrayed, took bread,

Romans 2:16

in the day when God will judge the secrets of men by Jesus Christ, according to my gospel.

1 Corinthians 15:1-3

Now I am calling to your remembrance, brothers, the gospel which I preached to you, which you also received, and on which you have taken your stand,

Galatians 1:1

Paul, an apostle sent not from men nor by any man, but by Jesus Christ and by God the Father who raised him from the dead;

Ephesians 3:3-8

You have heard how by direct revelation the secret truth was made known to me, as I have already briefly written you.

Treasury of Scripture Knowledge

Summary

But I certify you, brethren, that the gospel which was preached of me is not after man.

Bible References

That

Galatians 1:1
Paul, an apostle sent not from men nor by any man, but by Jesus Christ and by God the Father who raised him from the dead;
1 Corinthians 2:9
Nay, as it is written. Eye has not seen, Nor ear heard, Neither have entered into man's heart The things which God has prepared For those who love him.
1 Corinthians 11:23
For I passed on to you the account, which I myself received from the Lord; how the Lord Jesus, on the very night he was betrayed, took bread,
1 Corinthians 15:1
Now I am calling to your remembrance, brothers, the gospel which I preached to you, which you also received, and on which you have taken your stand,
Ephesians 3:3
You have heard how by direct revelation the secret truth was made known to me, as I have already briefly written you.