This reference work serves as a comprehensive repository for identifying, verifying, and contextualizing thousands of proverbs and idiomatic expressions. Compiled by J.A. Simpson, the text functions as a lexicographical tool for researchers, writers, and linguists. It organizes entries to provide historical usage, origin, and variations of common and obscure sayings, establishing a standardized framework for the study of proverbial language.

Experts and linguists frequently cite this volume as a foundational reference for the study of English-language idioms and traditional sayings. Readers often note the academic precision of the entries and the utility of the cross-referencing system for scholarly research.