Prayer is the most importance key on earth.
God cannot do anything on earth without our permission.
Prayer is the only thing that the Disciple ever asked Jesus to teach them.
Jesus never pray with His disciple. He is always only praying.
This alone tell us that Personal prayer is very important more than group prayer.
Jesus always spend 100% of His hour with God and 1% of His hour with man.
It is prayer that qualified us to God. Because it is prayer that qualified Jesus to God.