bold = Main text
   Vol.,  Sect., Part, Chap., Par.                               grey = Comment text

 1        I, Pref                 |    because they came from an unknown source, from a distant age.
 2        I, Pref                 |    is something to us almost unknown. Our minds are like kaleidoscopes
 3        I,   1,    3,   0,   6  |  they thought was altogether unknown, they knew was some combination
 4        I,   2,    0,   0,   0  |  known, it is also above the unknown, thus we have heard from
 5       XV, Intro                |     be known, rather than by unknown, as every one would be inclined
 6       XV, Intro                |   the unthought thought, the unknown known?'~But now let us consult
 7       XV,  11,    1,   1,   5  |     to be known, and what is unknown.~What is known, has the
 8       XV,  11,    1,   1,   5  |    protects man.~10. What is unknown, has the form of breath,
 9       XV,  11,    1,   1,   5  |     of breath, for breath is unknown. Breath, having become this,
10       XV,  11,    2,   3,   7  | unperceived, but perceiving; unknown, but knowing. There is no
11       XV,  11,    2,   3,   8  | unperceived, but perceiving; unknown, but knowing. There is nothing