Prostrateology is the theological term for the doctrine of prayer. Prayer is the oldest form of worship and is universal to all types of religions and believers. Even atheists rely on prayer in some form or another to make it from day to day.
Man has always marveled at how things happen in life and how to change those things that have not yet happened. The answer for the Christian has always been prayer to God, Jehovah, in the name of His son Jesus.
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Without Prayer, You Have Nothing
Nothing happens outside of prayer. It may not have been your prayer, but somebody else's prayer that has brought you to where you are today. Prayer is the prerequisite of possibility. There is no possibility where there is no prayer.
Many lives have been changed as a result of an answered prayer. One can only imagine the billions of lives that have been changed as a result of someone's prayer.
Imagine, if you will, how many prayers are offered up every second, every minute, and every hour of every day. That's a lot of prayers and a lot of impacted lives.