Task: Translation
Input (Tagalog): Tagalog sentence: Niya ang mga bihirang karangalan ng kanyang pang-agham na nakikita ang mga papeles, ilang mga dati-publish, tipunin magkasama at nai-publish sa apat na makapal na volume na sa panahon ng kanyang buhay.
Output (English): He had the rare honour of seeing his scientific papers, some previously unpublished, gathered together and published in four thick volumes during his lifetime.