Galatians 1:12
For I neither received it of man, neither was I taught it, but by the revelation of Jesus Christ.
Cross-reference
In Galatians 1:1, Paul's apostleship is also 'not from men' — the same divine-origin argument applied to his apostleship.
In Galatians 1:16, God 'was pleased to reveal his Son in me' — the same revelation event described in more detail.
In Matthew 16:17, Jesus says flesh and blood did not reveal but the Father — matching Paul's statement that he received the gospel by revelation, not from man.
Acts 22:14 recounts that Paul was chosen to know God's will and hear Christ's voice — confirming the divine revelation he refers to.
In Acts 26:16, Jesus tells Paul He will reveal things to him — directly showing the source of Paul's gospel as divine revelation.
1 Corinthians 11:23 states Paul received the Lord's Supper tradition from the Lord — a direct parallel to his claim of receiving the gospel by revelation.
In 1 Corinthians 15:3, Paul says he received the core gospel message — reinforcing that its source was divine revelation, not human tradition.
In Ephesians 3:3, Paul says 'the mystery was made known to me by revelation' — a close verbal parallel to Galatians 1:12.