Hadith on Salat: Paradise rewarded for praying with presence of heart

‘Uqbah ibn ‘Amir reported: The Messenger of Allah, peace and blessings be upon him, said, “No Muslim performs ablution well and then prays two cycles with his heart and direction focused, except that Paradise will be necessary for him.

Source: Ṣaḥīḥ Muslim 234

Grade: Sahih (authentic) according to Muslim

عَنْ عُقْبَةَ بْنِ عَامِرٍ عَنْ رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَا مِنْ مُسْلِمٍ يَتَوَضَّأُ فَيُحْسِنُ وُضُوءَهُ ثُمَّ يَقُومُ فَيُصَلِّي رَكْعَتَيْنِ مُقْبِلٌ عَلَيْهِمَا بِقَلْبِهِ وَوَجْهِهِ إِلَّا وَجَبَتْ لَهُ الْجَنَّةُ

234 صحيح مسلم كتاب الطهارة باب الذكر المستحب عقب الوضوء