The Filioque Explained

Rome’s Twin Innovations

The Roman Church made two changes to the apostolic faith without the authority of an ecumenical council. The first was doctrinal: adding two words to the Nicene Creed. The second was liturgical: transferring the Sabbath from Saturday to Sunday. Both changes follow the same structural pattern, and both were rejected by the Eastern churches.

What Is the Filioque?

The Nicene Creed was formulated at the First Ecumenical Council (Nicaea, 325 AD) and expanded at the Second (Constantinople, 381 AD). The original text reads:

Original Creed (325/381 AD)
“And I believe in the Holy Spirit, the Lord, the Giver of life,
who proceedeth from the Father,
who with the Father and the Son together is worshipped and glorified, who spake by the prophets.”

In the sixth century, churches in Spain began adding the Latin word filioque (“and the Son”) to this line, so that it read “who proceedeth from the Father and the Son.” In 1014 AD, Pope Benedict VIII formally inserted the filioque into the Roman liturgy. No ecumenical council authorized this change. The Eastern churches never accepted it.

Roman Addition (1014 AD)
“And I believe in the Holy Spirit, the Lord, the Giver of life,
who proceedeth from the Father and the Son (filioque),
who with the Father and the Son together is worshipped and glorified, who spake by the prophets.”
“But when the Comforter is come, whom I will send unto you from the Father, even the Spirit of truth, which proceedeth from the Father, he shall testify of me.”
John 15:26 (KJV)

Christ says the Spirit “proceedeth from the Father.” He does not say “from the Father and the Son.” The original Creed quoted Scripture exactly. The filioque added words that Christ did not speak.

The Same Pattern

The filioque and the Sabbath change are structurally identical, because both are unilateral Roman innovations imposed without ecumenical authority. The comparison reveals a pattern of governance, not a coincidence.

DimensionFilioqueSabbath Change
What was changedThe Nicene Creed (doctrinal)The day of worship (liturgical)
Original teachingSpirit proceeds from the Father (John 15:26)Seventh day is the Sabbath (Exodus 20:8–11)
Changed toSpirit proceeds from Father and the SonFirst day (Sunday) replaces seventh day
Authority claimedPapal authority over the CreedChurch authority over Scripture
Ecumenical council?No council authorized itNo council authorized it
When formalizedSpain sixth century, Rome 1014 ADConstantine 321 AD, Laodicea 364 AD
Eastern responseRejected by all Orthodox churchesRejected by Ethiopian and some Eastern churches
Scripture basisNone. John 15:26 says “from the Father.”None. No verse transfers Sabbath to Sunday.

Why This Matters

The Precedent

If one see can change the Creed without a council, it can change anything. The filioque established the precedent that papal authority overrides conciliar consensus.

The Confession

The Roman Catholic Church openly claims the Sabbath change as proof of its authority. The filioque is another instance of the same claim exercised.

The Eastern Witness

The Orthodox churches preserved the original Creed without the filioque. The Ethiopian Orthodox Church preserved the original day without the Sunday replacement. Both are witnesses to what the apostles taught.

The Test

If you accept the filioque, you accept that one bishop can alter a creed ratified by 318 bishops. If you accept Sunday, you accept that human tradition can override a commandment written by God’s own finger.

The Great Schism (1054 AD)

The filioque was the primary theological cause of the Great Schism between Rome and Constantinople. Cardinal Humbert excommunicated the Patriarch of Constantinople. The Patriarch excommunicated the papal legates. The church that had been one for a thousand years divided over two Latin words that no ecumenical council had approved.

Forty years later, in 1014, Pope Benedict VIII formally inserted the filioque into the Roman Creed. The Eastern churches have never accepted it. The division persists to this day.

The Thread Connecting Both Changes

The Sabbath was changed in the fourth century, and the filioque was formalized in the eleventh. Both changes rest on the same claim: that Rome possesses authority that no council conferred and no Scripture supports. The Eastern churches rejected both, and the Ethiopian church, which preserves both the original Creed and the original Sabbath, stands as the clearest witness that the apostolic faith was never lost but was suppressed in some places and preserved in others.

The thread never broke.

Orthodox Sabbath Tradition   |   Church Fathers on the Sabbath