Hadith 31-107

وَبِهذَا الإِسنادِ قالَ: قالَ عَلِىُّ بْنِ أَبِي طالِب‏ عَلَيْهِ السَّلامُ: سُئِلَ رَسُولُ اللَّهِ صَلَّى اللهُ عَلَيْهِ وَآلِهِ عَنْ أَكْثَرِ ما يُدْخَلُ بِهِ الجَنَّة، قالَ: تقوَى اللَّهِ وَحُسنُ الخُلقِ [و سُئِلَ عَنْ أَكْثَرِ ما يُدْخَلُ بِهِ النَّارَ الأَجوَفانِ: البَطنُ وَالفَرَجُ‏].

According to the same documentation, Ali ibn Abi Talib (a.s.) said, “God’s Prophet (S) was asked what were the main reasons for entry into Paradise. He (a.s.) replied, “Fearing God and having a good temper.” He (a.s.) was asked what were the main reasons for entry into the Fire. He (a.s.) replied, “Stomach and sex.”