The Spirit is truly the dwelling of the saints and the saints are for the Spirit a place where he dwells as in his own home since they offer themselves as a dwelling place for God and are called his temple. 44
Catechism number 2689
Prayer groups, indeed "schools of prayer," are today one of the signs and one of the driving forces of renewal of prayer in the Church, provided they drink from authentic wellsprings of Christian prayer. Concern for ecclesial communion is a sign of true prayer in the Church.