O God, who under a wonderful Sacrament hast left unto us a memorial of thy passion: Grant us so to venerate the sacred mysteries of thy body and blood that we may ever perceive within ourselves the fruits of thy redemption: Who livest and reignest, world without end. Amen.
https://primanota.net/christopher-upton/o-god-who-under-a-wonderful-sacrament-lyrics.htm