Shiva Purana
गणेश उवाच ॥ असाधुस्साधुतां चैव साधुश्चासाधुतां तथा ॥ कदाचिदपि नाप्नोति ब्रह्मोक्तमिति निश्चितम् ॥ १९ ॥
Gaṇeśa said:— This has been decisively said by Brahmā—“A wicked man never attains saintly nature nor docs a saintly man assume perversion at any time.”
english translation
gaNeza uvAca ॥ asAdhussAdhutAM caiva sAdhuzcAsAdhutAM tathA ॥ kadAcidapi nApnoti brahmoktamiti nizcitam ॥ 19 ॥
hk transliteration by Sanscript