Troparion
Thy nativity, O Theotokos Virgin, hath proclaimed joy to all the world; for from thee hath dawned the Sun of Righteousness, Christ our God, annulling the curse and bestowing the blessing, abolishing death and granting us life eternal.
Kontakion
Joachim and Anna were freed from the reproach of childlessness and Adam and Eve from the corruption of death, by the holy nativity, O immaculate one, which thy people, redeemed from the guilt of offences, celebrate by crying to thee: The barren woman giveth birth to the Theotokos, the nourisher of our life.
The Earthly Life of the Mother of God. Nativity. E.Poselyanin
The Orthodox Veneration of Theotokos. Saint John of Shanghai & San Francisco.
Nativity of the Mother of God. Metropolitan Anthony of Sourozh