Galatians 1:18
Then, three years later I went up to Jerusalem to visit Cephas [i.e., Peter], and stayed with him for fifteen days.
Acts 9:22-23
But Saul was strengthened [spiritually] and proceeded to confound the Jews living [there] in Damascus by proving that Jesus was the Christ.
Acts 9:26-29
And when he came [back] to Jerusalem, Saul attempted to associate himself with the disciples but they were afraid of him [because of his past], and could not believe that he was a [true] disciple.
Acts 22:17-18
"And it happened that when I returned to Jerusalem and was praying in the Temple, I fell into a trance [i.e., a semi-conscious vision-like state].