Heroes are worth observing. The Bible is a book of champions. Read it carefully, and you will see a parade of extraordinary people who changed the course of history through their prayer life.
Daniel, Esther, David, Moses and Elijah are only part of the champions. Study their lives.
“Elias was a man subject to like passions as we are, and he prayed earnestly that it might not rain: and it rained not on the earth by the space of three years and six months.”