He was born in Damascus to Christian parents. He was mute until the age of seven, when he was given the power of speech upon receiving Holy Communion. Tonsured a monk at the monastery of St Sabbas in the Holy Land, he served the Patriarch of Jerusalem, then became deacon in the Great Church in Constantinople, and finally was made Archbishop of Crete. He was present at the Sixth Ecumenical Council. Accounts of the date of his repose vary from 712 to 740. He is best known as the composer of the Great Canon, sung during the first and fifth weeks of the Great Fast.