Mahabharata 13.17.19

पवित्रं मङ्गलं पुण्यं कल्याणमिदमुत्तमम्निगदिष्ये महाबाहो स्तवानामुत्तमं स्तवम्

pavitraṃ maṅgalaṃ puṇyaṃ kalyāṇamidamuttamamnigadiṣye mahābāho stavānāmuttamaṃ stavam

Our plain-language meaning of this verse is waiting for scholar review.