Atharvavedaparishishta 70.7.6

70.7.6

kartavyaṃ ca yathānyāyaṃ śāntikarma vipaścitā | evaṃ kṛte bhayaṃ sarvaṃ tatkṣaṇād eva naśyati ||

And the propitiatory rite must be performed according to proper method by the wise man; / when this is done, all danger perishes in that very moment.