Michel Foucault argues that knowledge should not be studied as the continuous unfolding of ideas, authors, traditions, or origins, but as a historically specific field of discursive rules, ruptures, formations, and transformations. His central claim is that archaeology replaces the search for hidden meanings or stable foundations with the description of statements in their conditions of appearance. Instead of treating history as memory, Foucault insists that history works on documents, organises them, divides them, establishes series, defines relations, and transforms documents into monuments. This means that discourse must be analysed not as the expression of an author’s consciousness, nor as the evolution of a unified tradition, but as a field of events governed by rules that determine what can be said, by whom, where, and under what conditions. Foucault therefore challenges concepts such as continuity, influence, development, oeuvre, and origin, because they often conceal the discontinuities that actually structure knowledge. His method is especially important for the history of science, medicine, literature, and philosophy, where apparent unity may hide dispersed statements and unstable formations. The conclusion is that archaeology is not a nostalgic return to beginnings but a critical method for describing the archive: the historical system that makes certain discourses possible while excluding others.