While they were engaged in the worship of the Lord and were fasting, the Holy Spirit said: "Set apart for me Barnabas and Saul, for the work to which I have called them."
In the Church God has appointed, first, Apostles, secondly Preachers, thirdly Teachers; then he has given supernatural powers, then power to cure diseases, aptness for helping others, capacity to govern, varieties of the gift of 'tongues.'