) How does the structure of human speech distort our understanding of empirical reality? In this revised and expanded second edition of Language Limits on Knowledge, Michael M. Nikoletseas delivers a meticulous epistemological investigation into the inherent constraints that natural language imposes on scientific inquiry. Moving far beyond trivial issues of semantic ambiguity or careless terminology, this work isolates the structural vectors of linguistic damage-reifying processes into static objects, attributing false agency via grammatical subjects, and forcing continuous or reciprocal natural phenomena into artificial binary divisions. The text maps a profound historical and methodological arc, tracing a foundational inquiry from the Pre-Socratics to modern quantum mechanics:Part I & II (Historical Reconstruction): Upending the traditional scholarly opposition between Heraclitean "flux" and Parmenidean "Being," the author reveals a unified Pre-Socratic critique of vernacular naming. The investigation tracks how this methodological discipline was subverted by the "ontological reversal" of later metaphysics, before being operationally reawakened through the quantitative revolutions of Galileo and Newton, the empirical constraints of Kant, and twentieth-century analytic syntax. Part III & IV (Formalization and Biological Limits): The book evaluates the explicit breakdown of macroscopic, noun-centered grammar at the boundaries of relativity and quantum theory. Drawing on ethology and neuroscience, it establishes that structured knowledge biologically precedes language. Natural language functions as a late, secondary signaling system that frequently corrupts scientific representation when its categories are mistaken for divisions in nature itself. As a definitive resolution, Nikoletseas formulates the scala representationis (hierarchy of representation)-a structured paradigm spanning sensory discrimination, diagrams, operational measurement, and mathematical formalisms. This framework demonstrates that a representation achieves epistemic adequacy only when its preserved relations are explicitly specified, its transformations are strictly controlled, and its assertions remain answerable to physical intervention and experimental refusal.