One of the first things I remember being taught as a child was my home address. I could rattle it off perfectly long before I started school. My parents thought it was vital to know my address if I ever got lost.
Chances are someone who loved you taught you The Lord's Prayer a long time ago. They wanted you to know it by heart for those moments when you needed to pray and even needed to find your way back home. The Lord's Prayer gave you a place to begin a lifelong conversation with your Heavenly Father.