Paragraph

 1 1|             summed up in four pairs, viz. waking and sleeping, youth
 2 1|              through external media, viz. smelling, hearing, seeing,
 3 1|       perceive the common sensibles, viz. figure, magnitude, motion,
 4 2|          embedded the round "lens", [viz.]~the primaeval fire fenced
 5 3| corresponding to each sensory organ, viz. colour, sound, odour, savour,
 6 3|            regard all these colours [viz. all those based on numerical
 7 4|         system] that which is light [viz. the sweet], while the salt
 8 4|             the irreducible colours, viz.] Crimson, Violet, leek-Green,
 9 4|             which they explain taste viz.] Magnitude and Figure,
10 5|         possess odour. The elements, viz. Fire, Air, Earth, Water,
11 5|              is sensible; the other, viz. that correlated with Tastes,
12 6|           whichever of the two ways [viz. by emanations or by stimulatory
13 6|    transformation which the letters [viz. the consonants as heard]
14 6|           some kind (otherwise this [viz. simultaneous perception
15 7|             one should discern them [viz. sensibles in different
16 7|         perceives in a certain part [viz. in the remainder] of the
17 7|           time, or perceives a part [viz. the remainder] of the line,