Thanks

Almighty, most holy, most high and supreme God,
holy and just Father,
Lord, king of heaven and earth,
we give thanks to you because by your holy will,
and by your only Son
you created all things spiritual and corporal in the Holy Spirit,
made us in your image and likeness and placed us in paradise,
where we fell by our own fault.
We give you thanks
that just as you created us by your Son,
so by your true and holy love,
you sent him as true God and true man,
to be born….
And we give you thanks because your Son himself
will come again in the glory of his Majesty
… to say to all who have known you and adored you,
and served you in repentance:
“Come, you who are blessed by my Father,
inherit the kingdom prepared for you from the foundation of the world.”
Since we wretches and sinners are not worthy to name you,
we humbly pray
that our Lord Jesus Christ,
your beloved Son
in whom you are well pleased,
together with the Holy Spirit,
the Counselor,
may give thanks to you as it is pleasing to you. 
Amen.

Source: Francis of Assisi, 13th Century
Source of this version: Freely modified from Prayers of the Middle Ages, edited by J. Manning Potts, 1954.