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 2687
Many religious have consecrated their whole lives to prayer. Hermits, monks, and nuns since the time of the desert fathers have devoted their time to praising God and interceding for his people. the consecrated life cannot be sustained or spread without prayer; it is one of the living sources of contemplation and the spiritual life of the Church.