“Father and the Son are One, not by confusion of Person, but by unity of nature.”

“For [a] heresy says that there are three Gods.”

“Furthermore, [another heresy] denies that in Godhead He is One with the Father.”

“[He is] the Godhead in bodily shape.” Against:

“[This heresy teaches] novelties they have invented and put forth contrary to the Scriptures.”

“[This heresy teaches] that the Son is a creature and a work.”

“They appointed the first fruits… to be bishops and deacons.”

“[In Jesus, there are] two Natures meeting in One, not two Sons.” Against:

“This grace, however, of Christ, without which neither infants nor adults can be saved.” Against:

“All of the psalms were not by David.”

“God has even called the flesh to the resurrection.” Against:

“For creation is not wicked but is… beautiful.” Against:

“God has called man to life and resurrection, He has called… the whole [man].” Against:

“Emmanuel is very God.”

“The Holy Virgin is Theotokos.” Against:

“The nature or essence of the Father, of the Son, and of the Holy Ghost is one.”

“[Some] say that the sun, the moon and the stars are also reasonable beings [that] turned towards evil.”

“Thereafter there will no longer be any matter, but only spirit.”

“Monasteries shall remain monasteries forever, and the property belonging to them shall be preserved, and they shall never again become secular dwellings.”

“The cohabitation of women with bishops, presbyters, and deacons [is] prohibited.”

“Strange and unknown clergymen without letters commendatory from their own bishop are absolutely prohibited from officiating in another city.”

“Following the five holy Ecumenical Councils and the holy and approved Fathers, with one voice defining…”

“That it does not pertain to princes to choose a Bishop.”

“That Bishops are to abstain from receiving gifts.”

“We decree therefore that [remains of saints and martyrs] shall be placed with the accustomed service in as many of the sacred temples as have been consecrated without [them].”

This council established the date of Easter Sunday

This council answered Protestant Reformers

This council condemned Pelagianism

This council focused on Pneumatic theology

St. Athanasius was a hero of this council

St. Leo the Great with his Tome was a hero of this council

St. Gregory of Nyssa was a hero of this council

St. Cyril of Alexandria was a hero of this council

St. Augustine was a hero of this council

The Cappadocian Fathers were heroes of this council