Galatians 1:11

But I assure you, brethren, that the gospel which was preached by me is not after man;

1 Corinthians 2:9-10

but, as it is written: "The things which eye hath not seen, and ear hath not heard, and which have not entered into the heart of man, the great things which God hath prepared for those that love him."

1 Corinthians 11:23

For I received of the Lord, what I also delivered to you, that the Lord Jesus, the same night in which he was betrayed, took a loaf,

Romans 2:16

in the day when God shall judge the secrets of men by Jesus Christ, according to the gospel which I have preached.

1 Corinthians 15:1-3

Moreover, brethren, I declare anew to you the gospel which I preached to you, which also ye received, and wherein ye stand,

Galatians 1:1

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

Ephesians 3:3-8

that by revelation the mystery was made known to me, as I wrote before in few words,

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, not from men, nor through man, but through Jesus Christ, and God the Father, who raised him from the dead,
1 Corinthians 2:9
but, as it is written: "The things which eye hath not seen, and ear hath not heard, and which have not entered into the heart of man, the great things which God hath prepared for those that love him."
1 Corinthians 11:23
For I received of the Lord, what I also delivered to you, that the Lord Jesus, the same night in which he was betrayed, took a loaf,
1 Corinthians 15:1
Moreover, brethren, I declare anew to you the gospel which I preached to you, which also ye received, and wherein ye stand,
Ephesians 3:3
that by revelation the mystery was made known to me, as I wrote before in few words,