Now you can give yourself the answer to your own question: 1, 2, 4, are evidently in geometrical progression. What is the next number?
I. Eight.
Sphere. Exactly. The one Square produces a something-which-you-do-not-as-yet-know-a-name-for-but-which-we-call-a-cube with eight terminal Points. Now are you convinced?
I. And has this creature sides, as well as angles or what you call “terminal Points”?