The concept of "source" refers to an entity—be it a person, place, text, or object—from which something originates or is derived. Across disciplines, scholars have examined this theme through diverse perspectives: Josiah Royce viewed it as a unifying wellspring of spiritual insight, while Thomas Malthus highlighted experience as the fundamental basis of knowledge. T. Troward spoke of an "undifferentiated Source" as a metaphysical origin, and Mervin James Curl considered it in relational terms, contrasting it with "termination.
" Andrew Lang emphasized the academic need to identify original sources in order to evaluate historical accounts. These viewpoints together demonstrate that "source" is a central idea, connecting epistemology, metaphysics, and textual analysis, and highlighting its function as a foundational element for understanding beginnings, transmission, and interrelatedness across various fields.