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"For as long as there is jealousy and quarreling among you, are you not of the flesh, and behaving according to human inclinations? For when one says, 'I belong to Paul,' and another, 'I belong to Apollos,' are you not merely human?
What then is Apollos? What is Paul? Servants through whom you came to believe, as the Lord assigned to each." (1 Cor. 3:3-5).
To answer the original question, the Coptic Catholic Liturgy currently in use is an edited version of the Coptic St. Basil Liturgy (and St. Gregory Liturgy on occasions). The reform occurred following the Second Vatican Council, and was approved by the Coptic Catholic Holy Synod in 1975/6.
For anyone who can read Arabic, this page shows a summary of the changes. In short, repetitions have been removed, so for example, you only say the Lord's Prayer once throughout the Liturgy: