Galatians 1:15-17

But when God, who set me apart from my mother's womb and called me by his grace, was pleased to reveal his Son in me so that I might preach him among the Gentiles, my immediate response was not to consult any human being. I did not go up to Jerusalem to see those who were apostles before I was, but I went into Arabia. Later I returned to Damascus. 

But when God, who set me apart from my mother's womb 
Isaiah 49:1  Listen to me, you islands; hear this, you distant nations: Before I was born the LORD called me; from my mother's womb he has spoken my name.
Jeremiah 1:5  "Before I formed you in the womb I knew you, before you were born I set you apart; I appointed you as a prophet to the nations."

and called me by his grace 
Acts 9:15  But the Lord said to Ananias, "Go! This man is my chosen instrument to proclaim my name to the Gentiles and their kings and to the people of Israel."
Romans 8:28  And we know that in all things God works for the good of those who love him, who have been called according to his purpose.

was pleased to reveal his Son in me so that I might preach him among the Gentiles 
Galatians 2:9  James, Cephas and John, those esteemed as pillars, gave me and Barnabas the right hand of fellowship when they recognized the grace given to me. They agreed that we should go to the Gentiles, and they to the circumcised.

my immediate response was not to consult any human being 
Matthew 16:17  Jesus replied, "Blessed are you, Simon son of Jonah, for this was not revealed to you by flesh and blood, but by my Father in heaven."

Later I returned to Damascus 
Acts 9:1-2  Meanwhile, Saul was still breathing out murderous threats against the Lord's disciples. He went to the high priest and asked him for letters to the synagogues in Damascus, so that if he found any there who belonged to the Way, whether men or women, he might take them as prisoners to Jerusalem.
Acts 9:19b-22  Saul spent several days with the disciples in Damascus. At once he began to preach in the synagogues that Jesus is the Son of God. All those who heard him were astonished and asked, "Isn't he the man who raised havoc in Jerusalem among those who call on this name? And hasn't he come here to take them as prisoners to the chief priests?" Yet Saul grew more and more powerful and baffled the Jews living in Damascus by proving that Jesus is the Messiah.

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide. 
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