Sunan Abu Dawud
906
Sahih+2

Uqbah. B Amir al-Juhani reported the Messenger of Allah(ﷺ) as saying:Any one performs ablution and performs the ablution perfectly and then offers two rak’ahs of prayers concentrating on them with his heart and face but paradise will necessarily fall to his lot

SahihAl-Albani
SahihMuhammad Muhyi Al-Din Abdul Hamid