Agnipurana 252.57

252.57

aviśuddhāgamo bhogaḥ prāmāṇyaṃ nādhigacchati /
āgamastu kṛto yena so 'bhiyuktastamuddharet //

Enjoyment whose title is unpurified does not attain validity. / He by whom a title was made, when accused, must vindicate it;