Book, Paragraph

 1   I,  4|          explain the cause of the appearance in the sky of burning flames
 2   I,  5| combustion sometimes takes on the appearance of a burning flame, sometimes
 3   I,  5|     transient.~"Chasms" get their appearance of depth from light breaking
 4   I,  5|         contracts it presents the appearance of a "trench".~In general,
 5   I,  8|        the cause assigned for the appearance of comets as plausible we
 6  II,  8|  circumstances attendant on their appearance.~
 7  II,  9|           objective but merely an appearance. They compare it to what
 8  II,  9|         and that lightning is the appearance of brightness that ensues.~
 9  II,  9|       occurs mainly by night: the appearance is not seen by day because
10 III,  2|          sight, gives rise to the appearance of another colour.~However,
11 III,  4|       realizable there will be an appearance due to reflection whenever
12 III,  4| principles we laid down about the appearance of colours are true the
13 III,  4|          three and no others. The appearance of yellow is due to contrast,
14 III,  4|        and embroidered stuffs the appearance of colours is profoundly
15 III,  4|           to a great distance the appearance of the distant object is