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free it from all evil. This art of music is like
this, harmonizing everything so well that
by it the arts were brought into harmony and still endure that way.
By this art all the songs that are sung in the holy church
arise and sound out, and so are all
the harmonies of all the instruments
with their different tunings and different
sounds. Where there is reason and understanding
of certain things, indeed, that person who knows the science of music
knows the harmony of all things. And all creatures
who take care to do well will remain in harmony.

[rubric: Here is spoken of the art of Astronomy:]

The seventh
and last
of the seven liberal
arts is astronomy,
which is the purpose
of all scholarship.
By it one
can and should
inquire into the things
of heaven and earth,
and especially those that