The sacred and the secular are mutually dependent concepts.

Evidence

So I take up fragments of the history of a discourse that is often asserted to be an essential part of “religion”—or at any rate, to have a close affinity with it—to show how the sacred and the secular depend on each other. — Talal Asad, Formations of the Secular, 105

Categorization

• DEFINE: Frames the guiding claim of the whole book chapter: secular cannot be understood apart from the sacred, nor vice versa.
• XREF: connects to: Sacred and profane time coexist, connected only at ritual nodal points. — Hartmut Rosa, Social Acceleration: A New Theory of…, 99