Muhammad ibn Waasi’ rahmat Allah ‘alayh used to say:

“If sins had an odor then nobody would be able to

sit with me.”

 From The Evil of Craving for Wealth and Status by Imaam ibn Rajab al-Hanbalee rahmat Allah ‘alayh, courtesy of http://www.fatwa-online.com/wordsofwisdom/sins/0010505_5.htm