Part 1: How the Conception of Units and their Infinite-Repeatability is rooted in Remembered-Thinking

"...as far as the propositions of mathematics refer to reality, they are not certain; as far as they are certain, they do not refer to reality."*   – Albert Einstein, 1922 A quote remembered for what it says about the limits of human knowledge, but less remembered for what it says about the peculiar powers of a conscious mind, to perceive perfect certainty, such as mathematical proofs, despite living in an imperfect universe.