LORD, Father all-powerful,
and ever-living God,
I thank Thee,
for even though I am a sinner,
Thy unprofitable servant,
not because of my worth,
but in the kindness of Thy mercy,
Thou hast fed me with the precious Body
and Blood of Thy Son,
our Lord Jesus Christ.
I pray that this holy communion
may not bring me condemnation
and punishment but forgiveness and salvation.
May it be a helmet of faith
and a shield of good will.
May it purify me from evil ways
and put an end to my evil passions.
May it bring me charity and patience,
humility and obedience,
and growth in power to do good.
May it be my strong defense against all my enemies,
visible and invisible,
and the perfect calming of all my evil impulses,
bodily and spiritual.
May it unite me more closely to Thee,
the one true God
and lead me safely through death
to everlasting happiness with Thee.
And I pray that Thou willest lead me,
a sinner to the banquet
where Thou with Thy Son and Holy Spirit,
are true and perfect light,
gladness without end,
and perfect happiness to Thy saints.
Grant this through Christ our Lord.
(By St. Thomas Aquinas)