On this feast of St. Bruno, founder of the Carthusians, you might want to read this talk that Pope Emeritus Benedict XVI gave in 2011 at the Charterhouse of Serra San Bruno:
I chose to mention this socio-cultural condition because it highlights the specific charism of the Charterhouse as a precious gift for the Church and for the world, a gift that contains a deep message for our life and for the whole of humanity. I shall sum it up like this: by withdrawing into silence and solitude, human beings, so to speak, “expose” themselves to reality in their nakedness, to that apparent “void”, which I mentioned at the outset, in order to experience instead Fullness, the presence of God, of the most real Reality that exists and that lies beyond the tangible dimension. He is a perceptible presence in every creature: in the air that we breathe, in the light that we see and that warms us, in the grass, in stones…. God,Creator omnium, [the Creator of all], passes through all things but is beyond them and for this very reason is the foundation of them all.
The monk, in leaving everything, “takes a risk”, as it were: he exposes himself to solitude and silence in order to live on nothing but the essential, and precisely in living on the essential he also finds a deep communion with his brethren, with every human being.
Some might think that it would suffice to come here to take this “leap”. But it is not like this. This vocation, like every vocation, finds an answer in an ongoing process, in a life-long search. Indeed it is not enough to withdraw to a place such as this in order to learn to be in God’s presence. Just as in marriage it is not enough to celebrate the Sacrament to become effectively one but it is necessary to let God’s grace act and to walk together through the daily routine of conjugal life, so becoming monks requires time, practice and patience, “in a divine and persevering vigilance”, as St Bruno said, they “await the return of their Lord so that they might be able to open the door to him as soon as he knocks” (Letter to Rudolph “the Green”, n. 4); and the beauty of every vocation in the Church consists precisely in this: giving God time to act with his Spirit and to one’s own humanity to form itself, to grow in that particular state of life according to the measure of the maturity of Christ.
In Christ there is everything, fullness; we need time to make one of the dimensions of his mystery our own. We could say that this is a journey of transformation in which the mystery of Christi’s resurrection is brought about and made manifest in us, a mystery of which the word of God in the biblical Reading from the Letter to the Romans has reminded us this evening: the Holy Spirit who raised Jesus from the dead and will give life to our mortal bodies also (cf. Rom 8:11) is the One who also brings about our configuration to Christ in accordance with each one’s vocation, a journey that unwinds from the baptismal font to death, a passing on to the Father’s house. In the world’s eyes it sometimes seems impossible to spend one’s whole life in a monastery but in fact a whole life barely suffices to enter into this union with God, into this essential and profound Reality which is Jesus Christ.
This is why I have come here, dear Brothers who make up the Carthusian Community of Serra San Bruno, to tell you that the Church needs you and that you need the Church! Your place is not on the fringes: no vocation in the People of God is on the fringes. We are one body, in which every member is important and has the same dignity, and is inseparable from the whole. You too, who live in voluntary isolation, are in the heart of the Church and make the pure blood of contemplation and of the love of God course through your veins.
Stat Crux dum volvitur orbis [the cross is steady while the world is turning], your motto says. The Cross of Christ is the firm point in the midst of the world’s changes and upheavals. Life in a Charterhouse shares in the stability of the Cross which is that of God, of God’s faithful love. By remaining firmly united to Christ, like the branches to the Vine, may you too, dear Carthusian Brothers, be associated with his mystery of salvation, like the Virgin Mary who stabat (stood) beneath the Cross, united with her Son in the same sacrifice of love.