January 18 is the Feast of the Confession of Peter ("Thou art the Christ, the Son of the Living God" Matthew 16:16). January 25 is the Feast of the Conversion of Paul (Acts 9). Many Christians observe the eight days from January 18 to January 25 inclusive as a time of special prayer that all Christians may be one with their Lord and with one another, joined in faith and love.
I invite all of you to join in offering such prayers, always but especially during these eight days.
O gracious Father, we humbly beseech thee for thy holy Catholic church; that thou wouldst be pleased to fill it with all truth, in all peace. Where it is corrupt, purify it; where it is in error, direct it; where in anything it is amiss, reform it. Where it is right, establish it; where it is in want, provide for it; where it is divided, reunite it; for the sake of him who died and rose again, and ever liveth to make intercession for us, Jesus Christ, thy Son, our Lord. Amen.