Jesus’ presence in the Eucharist is a great mystery of the Church, one that brings Jesus to us in a unique way.
It is most appropriate to pray a prayer of adoration the next time we are in a Catholic church, especially when the Eucharist is exposed on the altar in a monstrance.
Here is a prayer of adoration from The Catholic prayer book and manual of meditations.
Heart of Jesus, ever present in the Holy Eucharist,
receive my homage and the tribute of adoration,
which I here bring, prostrate at the throne of thy glory.
May you ever be reverenced and adored by all creatures;
may the raising of hands, bending of knees, prostrations of body, practiced in our devotions;
may the prayers, vows, and sacrifices of thy servants, be ever agreeable and acceptable to thee.
May the angels in heaven ever adore thee,
and may the hearts of all the faithful,
especially that of the most blessed Virgin,
ever breathe out in thy honor a most sweet odor and perfume of love, esteem, and respect.
Sweet Jesus! receive this act of adoration.
May it be acceptable in thy sight from my hands. Amen.