18 Then, after three years, I went up to Jerusalem to make the acquaintance of Cephas. I stayed a fortnight with him.
Galatians 1:18 Cross References - Moffatt
Acts 9:22-23
Acts 9:26-29
26 He got to Jerusalem and tried to join the disciples, but they were all afraid of him, unable to believe he was really a disciple.
27 Barnabas, however, got hold of him and brought him to the apostles. To them he related how he had seen the Lord upon the road, how He had spoken to him, and how he had spoken freely in the name of Jesus at Damascus.
28 He then went in and out among them at Jerusalem, speaking freely in the name of the Lord;
29 he also held conversations and debates with the Hellenists. But when the brothers learned that the Hellenists were attempting to make away with him,