"...we always, even in the midst of everyday life, extend beyond ourselves and the specific thing with which we are now concerned, we might say that mysticism occurs in the midst of everyday life, but it is hidden and undeclared..." The Practice of Faith
"...all things, heaven and earth, the realm of the material and of the spiritual, are the creation of one and the same God...spirit and matter have more in common than they have differentiating them." Foundations of Christian Faith
"...to pour forth the love which God is. That is the first and the last of God's real plans and hence of God's real world too. Everything else exists so that this one thing might be: the eternal miracle of infinite love."
Karl Rahner (1904-1984) is considered the greatest theologian of the 20th century