Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) used to say that when a person keeps lying, at first a black dot appears in his heart, then the whole heart becomes black, until (his name) is written among the liars with Allah.
Hadith Referenceموطا امام مالك رواية يحييٰ / كتاب الجامع / 1822
Hadith Gradingمحدثین:موقوف ضعيف
Hadith Takhrij«موقوف ضعيف، وأخرجه عبدالله بن وهب فى «الجامع»: 524، فواد عبدالباقي نمبر: 56 - كِتَابُ الْكَلَامِ-ح: 18»