Mahabharata 13.17.23

सर्वमङ्गलमङ्गल्यं सर्वपापप्रणाशनम्निगदिष्ये महाबाहो स्तवानामुत्तमं स्तवम्

sarvamaṅgalamaṅgalyaṃ sarvapāpapraṇāśanamnigadiṣye mahābāho stavānāmuttamaṃ stavam

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