e for one understanding to be united to
two diverse wills or the reverse; neither for one person who is
spiritual to be united to two diverse churches; neither in like manner
for one man (vir) to be inmostly united to two women. Inmost union is
like that of soul and heart; the soul of the wife is the husband, and
the heart of the husband is the wife. The husband communicates and
conjoins his soul to the wife by actual love; it is in his seed; and the
wife receives it in her heart, and from this the two become one, and
then each and all things in the body of the one look to their mutual in
the body of the other. This is genuine marriage, which is possible only
between two. For it is by creation that all things of the husband, both
of his mind and of his body, have their mutual in the mind and in the
body of the wife; and thus the most particular things look mutually to
each other and will to be united. From this looking and conatus
[instinct] marriage love springs.

All things in the body, which are called members, viscera, and organs,
are nothing but natural corporeal forms corresponding to the spiritual
form of the mind; from this each and all things of the body so
correspond to each and all things of the mind that whatever the mind
wills and thinks the body at its command instantly brings forth into
act. When, therefore, two minds act as one their two bodies are
potentially so united that they are no more two but one flesh. To will
to become one flesh is marriage love; and such as the willing is, such
is that love.

It is allowed to confirm this by a wonderful thing in the heavens.
There are married pairs there in such marriage love that the two can be
one flesh, and are one whenever they wish, and they then appear as one
man. I have seen and talked with such; and they said that they have one
life, and are like the life of good in truth and the life of truth in
good, and are like the pairs in man, that is, like the two hemispheres
of the brain enclosed in one membrane, the two ventricles of the heart
within a common covering, likewise the two lobes of the lungs; these,
although they are two, yet are one in regard to life and the activities
of life, which are uses. They said that their life so conjoined is full
of heaven, and is the very life of heaven with its infinite beatitudes,
for the reason that heaven that heaven also is such from the marriage of
the Lord with it, for all the angels of heaven are in the