Episode 3 –  Confession: the history of mercy
Roots of the Faith – From the Church Fathers to You with Mike Aquilina, makes clear that just as an acorn grows into a tree and yet remains the same plant, so the Catholic Church is a living organism that has grown from the faith of the earliest Christians into the body of  Christ we know today.
 
Pick up a copy of Mke’s book. You’ll find so much more and invaluable references and resources, as well
Also, visit Mike’s “Discerning Hearts” page for more audio downloads and information!