"The organizing principle, which according to an eternal law creates the different essential organs of the body, and animates them, is not itself seated in one particular organ"

Johannes P. Muller's quote looks into the complex and rather abstract concept of an assisting force or principle that governs the advancement and performance of living organisms. His declaration highlights numerous philosophical and physiological ideas that were emerging throughout the time he was composing, as researchers and thinkers faced comprehending the intricacies of life.

At its core, Muller's assertion has to do with the organization and animation of biological entities, suggesting that the procedures that form different organs and bestow life to them are universal and not restricted to any single part of the body. This can be viewed as a reflection on the holistic view of biology. The "organizing concept" he describes may be understood as an early recommendation to what we now may call genetic info or the fundamental frameworks that assist development-- principles that were not completely understood in the life sciences of Muller's period.

Moreover, his reference to an "everlasting law" hints at a natural order or possibly even a deistic understanding of life, in which every component of the body understands its function and integrates harmoniously into the larger system without the need for a main command center. This might be interpreted as Muller's nod to a decentralized view of biological procedures, which contrasts the idea that awareness or control lives in a single place, such as the brain or heart.

Additionally, Muller's concepts prefigure later on discoveries in embryology and genes where even in today's understanding, there is no singular organ accountable for the complexity of life but rather a network of interactions. This shows the interconnectedness within the biological systems, where physiological functions and developmental procedures are distributed across numerous nodes or centers of activity, showing performance and robustness.

In summary, Muller's quote invites us to appreciate the intricacy and distributed nature of biological life, underscoring universal concepts that govern the formation and animation of living organisms, with the recommendation that life's organizing concept is not constrained to a singular organ however is a pervasive and all-inclusive force.