Vasubandhuís Abhidharmakosa-Bhasya (ca. 380 390), besides its culminating achievement in streamlining the overall structure of the exposition of the preceding Abhidharma manuals, is unmatched by any of the preceding manuals in respect of its comprehensiveness-incorporating all important Vaibhasika doctrines since the time of the Abhidharma-mahavibhasa-of its excellent skill in definition and elucidation, and of its ability to clarify the difficult point ...