Catholic Church - prayer for vocations

We are praying this prayer for vocations at the end of every weekday mass at St Jude Catholic Church in Pearl, Mississippi 

God, the source of creation and love, 
You invite each one of us to serve you through life, which is your gift. 
May your grace encourage men and women to heights of holiness through service to the Church as priest, deacons, sisters, brothers, and lay ministers. 
Make me an instrument to encourage others to give of themselves and challenge me to do so.  Amen.