It continues to be prominent in Eastern Christianity (see Gregory Palamas).

In Eastern Christianity consciousness as the center, heart or spirit of the person is often referred to as the Nous.

The dominant religion is Eastern Christianity (predominantly the Serbian Orthodox Church).

In Eastern Christianity, both meat and dairy are still not allowed to be eaten during the fast, and eggs are seen as "dairy" too.

It resulted from a drift in the leaders of Eastern Christianity toward Monophysitism, and Emperor Zeno's unsuccessful attempt to reconcile the parties with the Henotikon.

Lönnebo has also written a number of books on religious life, many of them inspired by the spiritual traditions of northern Sweden, as well as by Eastern Christianity.

In Eastern Christianity, the spiritual preparation for Easter begins with Great Lent, which starts on Clean Monday and lasts for 40 continuous days (including Sundays).

Both Western and Eastern Christianity also teach Christ's commissioning assurance in Matthew 28:20 of "Behold I am with you always, even to the ends of the age."

These retain the Byzantine Rite liturgy, sometimes including the Old Slavonic Church language, and the liturgical forms of Byzantine or Eastern Christianity.

The feast day of Saints Chrysanthus and Daria is celebrated on October 25 within Western Christianity, and on March 19 in Eastern Christianity.

In Eastern Christianity (Oriental Orthodox, Eastern Orthodox and Eastern Catholic churches), chalices will often have icons enameled or engraved on them, as well as a cross.

In the 14th century, many Lithuanian princes established in the territories to govern the Rus' lands accepted Eastern Christianity and assumed the Ruthenian custom and names, joining the culture of their subjects.

Pope John Paul II visited other heavily Orthodox areas such as Ukraine, despite lack of welcome at times, and he said that healing the divisions between Western and Eastern Christianity was one of his fondest wishes.

In 2008, Herman Teule, professor of Eastern Christianity at Radboud University Nijmegen, discovered an 1821 translation in Syrian, which turned out to be a popular translation of an Italian version, distributed by Christian missionaries.

Concelebration is and has always been common in Eastern Christianity, but in the Roman Catholic Church the practice fell into disuse for several centuries but has been revived with the liturgical reforms of the Second Vatican Council.

After the fall of the Western Roman Empire, Western and Central Europe was substantially cut off from the East where Byzantine Greek culture and Eastern Christianity became founding influences in the Arab/Muslim world and among the Eastern and Southern Slavic peoples.

In Constantinople he seems to have early won the notice of Justinian I, one of the main objects of whose policy was the consolidation of Eastern Christianity as a bulwark against the Zoroastrian power of Persia, through persecution of all the remaining pagans of the empire.