FATAL INDULGENCES H 631 "The Prophet, praise and peace be upon him, was asked, 'What should one pursue to be admitted into Paradise?' The Prophet, praise and peace be upon him, answered, 'Being mindful of one's duty to Allah and good behavior.' Then he was asked, 'What indulgence pushes a person (people) into the Fire?' He answered, 'The mouth and the genitalia.''' R 631 Tirmidhi with a chain up to Abu Hurairah who related that the Prophet, praise and peace be upon him, was asked this.
626- وعن أَبي هريرة رضي الله عنه ، قَالَ : سُئِلَ رسولُ الله صلى الله عليه وآله وسلم عَنْ أكثرِ مَا يُدْخِلُ النَّاسَ الْجَنَّةَ ؟ قَالَ : "تَقْوَى اللهِ وَحُسنُ الخُلُقِ" ، وَسُئِلَ عَنْ أكْثَرِ مَا يُدْخِلُ النَّاسَ النَّارَ، فَقَالَ : "الفَمُ وَالفَرْجُ" رواه الترمذي، وقال : "حديث حسن صحيح" .