The Believers are equal in God s eyes. Man set up the priesthood and laity in Christianity, not God. God says it's wrong. God calls all believers priests. Grace be unto you and peace, from God our Father.
Grace always comes first.
God s grace leads to man s peace, and always in that order. Next Paul mentions prayer. Paul was a praying man. It's recorded in his writings that he prayed for many people. God, through the Holy Spirit, told him to write it down and that must have been an encouragement to those he prayed for.