HOLY 
TRINITY CELTIC ORTHODOX CHURCH
CELTIC 
ORTHODOX BENEDICTINE FATHERS
Toledo, 
Ohio
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HOW 
THE ANCIENT ORTHODOX CATHOLIC MASS DIFFERS   
FROM 
THE MASS OF THE MODERN CATHOLIC CHURCH
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WESTERN 
RITE ORTHODOX
SUNDAY 
MASS READINGS
ACCORDING 
TO THE 
REVISED 
JULIAN CALENDAR
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ANGLO-CELTIC 
ORTHODOX LITURGY OF ST. GREGORY THE GREAT
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PENTECOST, 
COMMONLY CALLED WHITSUNDAY
May 
27, 2018
IINTROIT. 
Spiritus Domini. Wisdom I
THE 
Spirit of the Lord hath filled the whole world, alleluia: and 
that
which 
containeth all things hath knowledge of the voice, 
alleluia,
alleluia, 
alleluia. /Ps. /68 Let God arise, and let his enemies be
scattered: 
let them also that hate him flee before him. V. Glory be.
COLLECT.
O 
GOD, who as at this time didst teach the hearts of thy 
faithful
people, 
by sending to them the light of thy Holy Spirit: grant us by 
the
same 
Spirit to have a right judgement in all things, and evermore 
to
rejoice 
in his holy comfort; through the merits of Christ Jesus 
our
Savior, 
who liveth and reigneth with 
thee, in the unity of the same
Spirit, 
one God, world without end. Amen.
EPISTLE. 
Acts 2:1-11
1 
WHEN the day of Pentecost was fully come, they were all with 
one
accord 
in one place.
2 
And suddenly there came a sound from heaven as of a rushing 
mighty
wind, 
and it filled all the house where they were sitting.
3 
And there appeared unto them cloven tongues like as of fire, and 
it
sat 
upon each of them.
4 
And they were all filled with the Holy Ghost, and began to speak 
with
other 
tongues, as the Spirit gave them utterance.
5 
And there were dwelling at Jerusalem Jews, devout men, out of 
every
nation 
under heaven.
6 
Now when this was noised abroad, the multitude came together, and 
were
confounded, 
because that every man heard them speak in his own 
language.
7 
And they were all amazed and marvelled, saying one to 
another, Behold,
are 
not all these which speak Galilaeans?
8 
And how hear we every man in our own tongue, wherein we were 
born?
9 
Parthians, and Medes, and Elamites, and the dwellers in 
Mesopotamia,
and 
in Judaea, and Cappadocia, in Pontus, and Asia,
10 
Phrygia, and Pamphylia, in Egypt, and in the parts of Libya 
about
Cyrene, 
and strangers of Rome, Jews and proselytes,
11 
Cretes and Arabians, we do hear them speak in our 
tongues the
wonderful 
works of God.
SEQUENCE. 
Veni, Sancte Spiritus.
Come, 
thou Holy Spirit, come: and from thy celestial home send thy 
light
and 
brilliancy.
Come, 
thou father of the poor, come who givest all our 
store, come the
soul's 
true radiancy.
Come, 
of comforters the best, of the soul the sweetest guest, 
sweetly
and 
refreshingly.
Come, 
in labour rest most sweet, shade and coolness in the 
heat, comfort
in 
adversity.
Thou 
who art the Light most blest, come fulfil their inmost breast, 
who
believe 
most faithfully.
For 
without thy Godhead's dower, man hath nothing in his power, save 
to
work 
iniquity.
What 
is filthy make thou pure, what is wounded work its cure, water 
what
is 
parched and dry.
Gently 
bend the stubborn will, warm to life the heart that's 
chill,
guide 
who goeth erringly.
Fill 
thy faithful who adore, and confess thee evermore, with 
thy
sevenfold 
mystery.
Here 
thy grace and virtue send, grant salvation in the end, and 
in
heaven 
felicity. Amen. Amen.
GOSPEL. 
Saint John 14:15-31
15 
AT that time: Jesus said unto his disciples: If ye love me, keep 
my
commandments.
16 
And I will pray the Father, and he shall give you another 
Comforter,
that 
he may abide with you for ever;
17 
Even the Spirit of truth; whom the world cannot receive, because 
it
seeth 
him not, neither knoweth him: but ye know him; for he 
dwelleth
with 
you, and shall be in you.
18 
I will not leave you comfortless: I will come to you.
19 
Yet a little while, and the world seeth me no more; 
but ye see me:
because 
I live, ye shall live also.
20 
At that day ye shall know that I am in my Father, and ye in me, and 
I
in 
you.
21 
He that hath my commandments, and keepeth them, he it 
is that loveth
me: 
and he that loveth me shall be loved of my Father, and 
I will love
him, 
and will manifest myself to him.
22 
Judas saith unto him, not Iscariot, Lord, how is it 
that thou wilt
manifest 
thyself unto us, and not unto the world?
23 
Jesus answered and said unto him, If a man love me, he will keep 
my
words: 
and my Father will love him, and we will come unto him, and 
make
our 
abode with him.
24 
He that loveth me not keepeth not my sayings: and the word which 
ye
hear 
is not mine, but the Father's which sent me.
25 
These things have I spoken unto you, being yet present with 
you.
26 
But the Comforter, which is the Holy Ghost, whom the Father will 
send
in 
my name, he shall teach you all things, and bring all things to 
your
remembrance, 
whatsoever I have said unto you.
27 
Peace I leave with you, my peace I give unto you: not as the 
world
giveth, 
give I unto you. Let not your heart be troubled, neither let 
it
be 
afraid.
28 
Ye have heard how I said unto you, I go away, and come again 
unto
you. 
If ye loved me, ye would rejoice, because I said, I go unto 
the
Father: 
for my Father is greater than I.
29 
And now I have told you before it come to pass, that, when it is 
come
to 
pass, ye might believe.
30 
Hereafter I will not talk much with you: for the prince of this 
world
cometh, 
and hath nothing in me.
31 
But that the world may know that I love the Father; and as the 
Father
gave 
me commandment, even so I do.
OFFERTORY. 
/Ps. /68 Stablish the thing, O God, that thou hast wrought
in 
us: for thy temple's sake at Jerusalem, shall kings bring 
presents
unto 
thee, Alleluia.
SECRET.
SANCTIFY, 
O Lord, we beseech thee, these our oblations: that being
enlightened 
by the beams of thy Holy Spirit, our hearts may be 
purified
from 
all evil.
COMMUNION. 
/Acts 2 /Suddenly there came a sound from heaven as of 
a
rushing 
might wind, and it filled all the house where they were 
sitting,
alleluia: 
and they were all filled with the Holy Ghost, and began to
speak 
the wonder works of God, Alleluia. Alleluia.
POSTCOMMUNION.
WE 
humbly beseech thee, O Lord, that thou wouldest send 
down upon our
hearts 
the healthful Spirit of thy grace: and, that we may bring 
forth
fruit 
unto thee, pour upon us the inward dew of his blessing. 
Through.