mantra-hīnaṁ kriyā-hīnaṁ
śauca-hīnaṁ janārdane
sarvaṁ sampūrṇatāṁ yāti
kārttike dīpa-dānataḥ

mantra-mantras; hīnam-without; kriyā-pious deeds; hīnam-without; śauca-purity; hīnam-without; janārdane-of Lord Kṛṣṇa; sarvam-all; sampūrṇatām-perfection; yāti-attains; kārttike-in Kārttika; dīpa-dānataḥ-by offering a lamp.

“Even if there are no mantras, no pious deeds, and no purity, everything becomes perfect when a person offers a lamp during the month of Kārttika.”

– Kārtik Mahatmya Text 103