God told THE JEWS to pray because "GOD" was an EXTERNAL entity/force to them.
WE, essentially are a NEW faith and God should be INTERNAL.
how can you CALL OUT to Him?
Paul was arguing at the Council of Jerusalem against circumcision (Mosaic law) that many Jews wanted to keep instead of accepting God's Spirit as teacher, the final decision of the Council was that the disciples of Jesus should be called "Christians".