Tertullian believed Atlantis was once real and wrote that in the Atlantic Ocean once existed "( the isle ) that was equal in size to Libya or Asia " referring to Plato's geographical description of Atlantis.

Tertullian ( c. a. d. 160 – 225 ) wrote that when it was discovered that a church elder had composed a pseudonymous work, The Acts of Paul ( which included a purported Pauline letter, 3 Corinthians ), the offending elder “ was removed from his office ” ( On Baptism 17 ).

This view influences later Ambrose of Milan and Tertullian, who wrote about the virgin birth of the Mother of God.

Tertullian ( c. 160 – c. 225 ), who wrote in Latin, also understood (" I will ascend above the tops of the clouds ; I will make myself like the Most High ") as spoken by the Devil, but " Lucifer " is not among the numerous names and phrases he used to describe the Devil.

" Similarly, Irenaeus wrote that the Christian " will not be commanded to leave idle one day of rest, who is constantly keeping sabbath ", and Tertullian argued " that we still more ought to observe a sabbath from all servile work always, and not only every seventh-day, but through all time ".

In about 200 AD, Tertullian wrote ( Against Marcion IV.

Tertullian always wrote under stress of a felt necessity.

Tertullian has been accused of going to an unhealthy extreme in his counsels of asceticism ; for example, about ejaculatory orgasms he wrote:

Tertullian wrote in his book On Patience 5: 15 " Having been made pregnant by the seed of the devil ... she brought forth a son.

In the early days of his conversion he wrote an Epistola ad Donatum de gratia Dei and the Testimoniorum Libri III that adhere closely to the models of Tertullian, who influenced his style and thinking.

* In On the Resurrection of the Flesh, Tertullian wrote that the Holy Spirit through the New Prophecy cleared up the ambiguities of scripture.

Tertullian ( AD 155 – 222 ) wrote in Adversus Judaeos that Britain had already received and accepted the Gospel in his lifetime, writing of:

Despite the fact that the early Christian theologian Tertullian wrote that Jesus was a eunuch, there is no corroboration in any other early source.

According to the Liber Pontificalis, it was first used in the first half of the fourth century, although Tertullian wrote an essay no later than 220 AD titled De Pallio ( On the Pallium ).

By the second and third centuries, such Church Fathers as Clement of Alexandria, Origen, and Tertullian wrote of the practice of Morning and Evening Prayer, and of the prayers at terce, sext, and none.

By the second and third centuries, such Church Fathers as Clement of Alexandria, Origen, and Tertullian wrote of formalised, regular services: the practice of Morning and Evening Prayer, and prayers at the third hour of the day ( terce ), the sixth hour of the day ( sext ), and the ninth hour of the day ( none ).

For example, Irenaeus, wrote of second century believers with the gift of prophecy, while Tertullian, writing of the church meetings of the Montanists ( to whom he belonged ), described in detail the practice of prophecy in the second century church.

The 2nd-century Church Father Tertullian wrote that " the blood of martyrs is the seed of the Church ," implying that the martyrs ' willing sacrifice of their lives leads to the conversion of others.

The Church Father Tertullian wrote, " And wherefore does this conclusion of the gospel affirm that these things were written unless it is that you might believe, it says, that Jesus Christ is the son of God?

Tertullian wrote about Marcion gnostics in his work Against Marcion indicating that there they believed in baptism of the dead.

Tertullian wrote a tract against them which has not survived.

So many Catholic Christian apologists wrote treatises against Marcion after his death, in addition to the noted work of Tertullian, that it has been possible to reconstruct almost the whole of Marcion's Gospel of the Lord from their quotations.

By the second and third centuries, such Church Fathers as Clement of Alexandria, Origen, and Tertullian wrote of the practice of Morning and Evening Prayer, and of the prayers at terce, sext, and none.

In his Scorpiace of 208 CE, Tertullian wrote, " No delay or inquest will meet Christians on the threshold … For though you think that heaven is still shut up, remember that the Lord left the keys of it to Peter here, and through him to the Church, which keys everyone will carry with him, if he has been questioned and made confession faith.