ENOfficial
Narrated Sahl bin Sa`d: The Prophet (ﷺ) said, "Whoever guarantees me (the chastity of) what is between his legs (i.e. his private parts), and what is between his jaws (i.e., his tongue), I guarantee him Paradise."
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا مُحَمَّدُ بْنُ أَبِي بَكْرٍ، حَدَّثَنَا عُمَرُ بْنُ عَلِيٍّ. وَحَدَّثَنِي خَلِيفَةُ، حَدَّثَنَا عُمَرُ بْنُ عَلِيٍّ، حَدَّثَنَا أَبُو حَازِمٍ، عَنْ سَهْلِ بْنِ سَعْدٍ السَّاعِدِيِّ، قَالَ النَّبِيُّ صلى الله عليه وسلم " مَنْ تَوَكَّلَ لِي مَا بَيْنَ رِجْلَيْهِ وَمَا بَيْنَ لَحْيَيْهِ، تَوَكَّلْتُ لَهُ بِالْجَنَّةِ ".
sunnah.com