Hadith on Tawhid: What are the two inevitabilities of life?

Jabir reported: A man came to the Prophet, peace and blessings be upon him, and he said, “O Messenger of Allah, what are the two inevitabilities?” The Prophet said, “Whoever dies without associating anything with Allah will enter Paradise, and whoever dies associating anything with Allah will enter Hellfire.

Source: Ṣaḥīḥ Muslim 93

Grade: Sahih (authentic) according to Muslim

عَنْ جَابِرٍ قَالَ أَتَى النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ رَجُلٌ فَقَالَ يَا رَسُولَ اللَّهِ مَا الْمُوجِبَتَانِ فَقَالَ مَنْ مَاتَ لَا يُشْرِكُ بِاللَّهِ شَيْئًا دَخَلَ الْجَنَّةَ وَمَنْ مَاتَ يُشْرِكُ بِاللَّهِ شَيْئًا دَخَلَ النَّارَ

93 صحيح مسلم كتاب الإيمان باب من مات لا يشرك بالله شيئا دخل الجنة ومن مات مشركا دخل النار