21 Later I went to the regions of Syria and Cilicia. -Galatians 1:21 BSB After Paul stayed with Peter for fifteen days, see verse 18, he departed from there to…
After three years of Paul’s conversion to Christianity—having an encounter with Jesus Christ, after His resurrection and ascension to heaven, see Acts 9:1-6, he visited Peter.
The phrase “to reveal His Son in me” refers to Paul being used by the Holy Spirit, after conversion, to tell people about Jesus Christ and what He did for everyone on the cross.