Part

 1 III|      view all objects in this light; and I believe that in this
 2 III|  endowed each of us with some light of reason by which to distinguish
 3 IV |     as of the sky, the earth, light, heat, and a thousand more,
 4 V  |     which alone they make the light fall, and throwing the rest
 5 V  | length, my opinions regarding light; then to take the opportunity
 6 V  |    and the fixed stars, since light almost wholly proceeds from
 7 V  |       stage on the subject of light, I expounded at considerable
 8 V  |       what the nature of that light must be which is found in
 9 V  |    except fire which produces light, I spared no pains to set
10 V  |       sometimes found without light, and light without heat;
11 V  |      found without light, and light without heat; to show how
12 V  |    one of those fires without light, such as I had already described,
13 V  |        sleep, and dreams; how light, sounds, odors, tastes,
14 VI |   unknown has been brought to light by the disputations that
15 VI |    the windows, and allow the light of day to enter the cave