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# "The [[Nicene Creed|profession of faith of the holy fathers who gathered in Nicaea]]... is to remain in force. Every heresy is to be anathematised..."

# "The [[Nicene Creed|profession of faith of the holy fathers who gathered in Nicaea]]... is to remain in force. Every heresy is to be anathematised..."

# "Diocesan bishops are not to intrude in churches beyond their own boundaries..."

# "Diocesan bishops are not to intrude in churches beyond their own boundaries..."

# "Because it is new Rome, the bishop of Constantinople is to enjoy the privileges of honour after the bishop of Rome."  This canon provoked much controversy later when popes attempted to use it to prove papal supremacy.

# "Because it is new Rome, the bishop of Constantinople is to enjoy the privileges of honour after the bishop of Rome."  This canon provoked much controversy later when the Patriarchs of Constantinople used it to try to diminish the authority of the [[Pope]].

# "Maximus the Cynic... never became, nor is he, a bishop... Everything that was done both to him and by him is to be held invalid."

# "Maximus the Cynic... never became, nor is he, a bishop... Everything that was done both to him and by him is to be held invalid."

# "Regarding the Tome of the Westerns..." ''(Unfortunately, this tome has been lost.)''

# "Regarding the Tome of the Westerns..." ''(Unfortunately, this tome has been lost.)''

# Certain heretics are to be received immediately upon confession of their errors; others must be [[Baptism|rebaptized]] after following through the regular process.

# Certain heretics are to be received immediately upon confession of their errors; others must be [[Baptism|rebaptized]] after following through the regular process.

At the conclusion of the council, Emperor Theodosius declared that all bishops must confess the equal divinity of all three Persons of the [[Trinity]] and be in communion with certain of the bishops who attended.

At the conclusion of the council, Emperor Theodosius declared that all bishops must confess the equal divinity of all three Persons of the [[Trinity]] and be in communion with certain of the bishops who attended. The Creed of Nicaea-Constantinople in later centuries became the standard of Christian orthodoxy and Trinitarian profession. [[Saint Patrick]] the Apostle of Ireland famously used the shamrock in the fifth century to explain the doctrine of the Trinity declared at the [[Council of Nicea]] and this First Council of Constantinople in the fourth century.

==References==

==References==