It wasnarrated that Abu Hurairah said:
"The Prophet (ﷺ) was asked:'What most admits people to Paradise?' He said: 'Piety and goodmanners.' And he was asked: 'What most leads people to Hell?'He said:'The two hollow ones: The mouth and the private part.'" (DE)
English reference (DE): Vol. 5, Book 37, Hadith 4246 (DE)
Arabic reference (DE): Book 37, Hadith 4387 (DE)