Catechism of the Catholic Church §925 — excerpt
Religious life was born in the East during the first centuries of Christianity. Lived within institutes canonically erected by the Church, it is distinguished from other forms of consecrated life by its liturgical character, public profession of the evangelical counsels, fraternal life led in common,…
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.
Also cites: CIC, cann. 607 · 573 · UR 15