Abu Saeed al-Khudri reported the Messenger of Allah ﷺ as saying: If anyone says "I am pleased with Allah as Lord, with Islam as religion and with Muhammad ﷺ as Messenger" Paradise will be his due.
Hadith ReferenceSunan Abi Dawud / Prayer (Kitab Al-Salat): Detailed Injunctions about Witr / Hadith: 1529
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده صحيح