Jesus' prayer for his disciples:

That they all may be one, as You, Father, in me, and I in You; 
that they also may be one in us: 
that the world may believe that You have sent me. 
(Ut omnes unum sint sicut tu Pater in me et ego in te 
ut et ipsi in nobis unum sint 
ut mundus credat quia tu me misisti.) 
John, 17:21.

The Apostle Paul on unity:

I, a prisoner for the Lord,
urge you to live in a manner worthy of the call you have received,
with all humility and gentleness, with patience,
bearing with one another through love,
striving to preserve the unity of the spirit
through the bond of peace:
one body and one Spirit,
as you were also called to the one hope of your call;
one Lord, one faith, one baptism;
one God and Father of all,
who is over all and through all and in all.
(Ephesians, 4:1-6)

I urge you, brothers, in the name of our Lord Jesus Christ, 
that all of you agree in what you say, 
and that there be no divisions among you, 
but that you be united in the same mind and in the same purpose. ( Corinthians 1:10)

Other passages from the New Testament:

• John 17:9-11
• John 10:16  one fold
• John 15:5  the vine
• I Cor 1:10-6  let there be unity of mind
• Gal 3:27-28  all have been baptized in Christ
• Ephesians 4:1-6, 15-16 unity in the mystical body
• Gal 1:6-9  if another gospel...
• John 13:35  by this will all know you are my disciples
• Acts 4:32  one heart and one soul
• Acts 20:29  scattered sheep
• John 10:12  scattered sheep

Please say this prayer often, and daily from January 18 to 25

Let us pray
for all our brothers and sisters 
who share our faith in Jesus Christ,
that God may gather and keep together in one Church
all those who seek the truth with sincerity.

Almighty and eternal God, 
you keep together those you have united.
Look kindly on all who follow Jesus your Son.
We are all consecrated to you by our common baptism.
Make us one in the fullness of faith, 
and keep us one in the fellowship of love.
We ask this through Christ our Lord. Amen.

From the Roman Missal: Good Friday Solemn Intercessions: V. For the unity of Christians

Preparations for 2008:
One Hundred Years of 
Praying for Christian Unity

General Information

• Celebrating Prayer for Christian Unity 1908-2008
• Some key dates in the history of the Week of Prayer for Christian Unity
• The Augustine Club at Columbia University: The Need for Full Christian Unity
• Catholic Resources on Christian Unity

• Sample Workship Services
• Biblical Text & Theme for 2008
• Octave of Prayer (with daily readings, commentary, and prayer)
• Octave of Prayer (without daily commentary)
• Prayers for use during the Octave of Prayer for Christian Unity
• Music for use for the Octave of Prayer for Christian Unity

• An Online Handbook of Denominations: A Guide to Churches and Denominations from a Catholic Perspective
• Ecumenical Situation in the USA
• Ecumenical Dialogue
• Methodists, Lutherans, Catholics Take Historic Ecumenical Step
• Catholic-Orthodox Dialogue
• Catholic-Lutheran Dialogue
• Catholic-Anglican Dialogue
• Catholic-Methodist Dialogue
• Catholic-Baptist Dialogue
• Catholic-Mennonite Dialogue
• Historical Overview