The phrase represents a publication containing info that’s thought of definitive, authoritative, and unlikely to be modified. It suggests a piece that establishes an enduring report, offering a dependable supply of data on a specific topic. For instance, an educational textual content rigorously researched and broadly accepted inside its discipline may be described utilizing this figurative language.
Such a piece gives appreciable worth as a result of it supplies stability and dependability in its topic space. It may well function a basis for additional analysis, a regular reference for practitioners, or an important useful resource for educators. Traditionally, the idea of permanence in written works has been extremely valued, representing a dedication to accuracy and an enduring contribution to the physique of data. This perceived immutability gives reassurance and confidence to those that depend upon the knowledge offered.