I just feel like singing right now! During the Divine Liturgy of Saint John Chrysostom after receiving the Eucharist, our brothers and sisters in the east sing this refrain:
We have seen the true light. We have received the heavenly spirit. We have foundIndeed the Trinity has saved us. Let us rejoice and be glad!
the true faith, worshiping the Holy Trinity, for the Trinity has saved us!
Hodie est dies quam fecit Dominus exultemus et laetemur in ea!
(See also Father Cantalamessa's homily (2007 01 12) for the meaning of the Wedding of Cana and Christian marriages today.)