“Pray for us, O holy Mother of God.    That we may be made worthy of the promises of Christ.”

The rosary is prayed before mass on Tuesday and Thursday morning.
 

Details about the Rosary - how to pray it, what are its four sets of mysteries, its history, and its meaning and deep significance for our Catholic faith - are explored further at the following website: 
http://www.usccb.org/prayer-and-worship/prayers-and-devotions/rosaries/.