Jesus Christ, final goal of devotion to the Virgin

Jesus, our Savior, true God and truly human must
be the ultimate end of all our other devotions; otherwise they would be
false and misleading. He is the Alpha and the Omega,
the beginning and end of everything. “We labor,” says St. Paul, “only
to make all humanity perfect in Jesus Christ.”
For in him alone dwells the entire fullness of the divinity and
the complete fullness of grace, virtue and perfection. In him
alone we have been blessed with every spiritual blessing: he is
the only teacher from whom we must learn; the only Lord on
whom we should depend; the only head to whom we should be
united and the only model that we should imitate. He is the
only physician that can heal us; the only shepherd that can feed
us; the only way that can lead us; the only truth
that we can believe; the only life that can animate us.
He alone is everything
to us and he alone can satisfy all our desires.
We are given no other name under heaven by which we can
be saved. God has laid no other foundation for our salvation,
perfection and glory than Jesus. Every edifice which is not
built on that firm rock, is founded upon shifting sands and will
certainly fall sooner or later. Every one of the faithful who is
not united to him is like a branch broken from the stem of the
vine. It falls and withers and is fit only to be burnt. If we live in
Jesus and Jesus lives in us, we need not fear damnation. Neither
angels in heaven nor people on earth, nor devils in hell, no
creature whatever can harm us, for no creature can separate us
from the love of God which is in Christ Jesus. Through him,
with him and in him, we can do all things and render all honor
and glory to the Father in the unity of the Holy Spirit; we can
make ourselves perfect and be for our neighbor a fragrance of
eternal life.
If then we are establishing sound devotion to Our Blessed
Lady, it is only in order to establish devotion to Our Lord more
perfectly, by providing a smooth but certain way of reaching
Jesus Christ. If devotion to Our Lady distracted us from Our
Lord, we would have to reject it as an illusion of the devil. But
this is far from being the case. As I have already shown and
will show again later on, this devotion is necessary, simply and
solely because it is a way of reaching Jesus perfectly, loving him
tenderly, and serving him faithfully.

From ‘The Treatise on True Devotion to Mary’ of
Saint Louis Marie Grignion de Montfort nn. 61-62