objection experiment, which is wont to be the fountain to the
streams of your arts, may deliver thee, if ever thou try it. Thou
shalt take three mirrors, and set two of them at an equal
distance from thee, and let the other, further removed, meet
thine eyes between the first two. Turning toward them, cause a
light to be placed behind thy back, which may illumine the three
mirrors, and return to thee thrown back front all. Although the
more distant image reach thee not so great in quantity, thou wilt
then see how it cannot but be of equal brightness.

[1] The heaven of the fixed stars.

[2] If all this difference were caused merely by difference in
rarity and density.

[3] The stars exert various influences; hence their differences,
from which the variety of their influence proceeds, must be
caused by different formal principles or intrinsic causes.

[4] Extends not through the whole substance of the moon.


"Now, as beneath the blows of the warm rays that which lies under
the snow remains bare both of the former color[1] and the cold,
thee, thus remaining in thy intellect, will I inform with light
so living that it shall tremble in its aspect to thee.[2]

[1] The color of the snow.

[2[My argument has removed the error which covered thy mind, and