The 'lesser doxology' — sung at the end of each psalm in the daily office across all the Christian traditions, confessing the Trinity in a single sentence.
Universal · Patristic (1st–7th c.)
The Doxology (Glory Be)
Glory be to the Father, and to the Son, and to the Holy Spirit:
as it was in the beginning, is now, and ever shall be,
world without end. Amen.