bhagavata-arambhein the beginning of Srimad-Bhagavatam; vyasathe great author Vyasadeva; mangala-acaranein the auspicious invocation; parama-isvarathe Supreme Personality of Godhead; nirupilahas described; ei dui laksaneby these two characteristics, namely svarupa (personal) and tatastha (marginal) symptoms.