Shiva Purana
परेषां च तथा दोषं न प्रशंसेद्विचक्षणः । विशेषेण तथा ब्रह्मञ्छ्रुतं दृष्टं च नो वदेत् ७९ ।
A sensible person shall not proclaim others’ faults. O brahmin, whatever is seen or heard should not be spitefully repeated.
english translation
pareSAM ca tathA doSaM na prazaMsedvicakSaNaH । vizeSeNa tathA brahmaJchrutaM dRSTaM ca no vadet 79 ।
hk transliteration by Sanscript