Jami` at-Tirmidhi 3105

Narrated Suhaib:from the Prophet (ﷺ), regarding the saying of Allah Most High: And for those who have done good is the best and even more (10:26) - He (ﷺ) said: "When the inhabitants of Paradise have entered Paradise a caller will call out: 'Indeed there remains for you a promise with Allah, and He wants to reward you with it.' They will say: 'Have your faces not been made bright, have we not been saved from the Fire, and have we not been admitted into Paradise?'" He said: "So the Veil will be lifted." He said: "By Allah! Nothing given to them [by Allah] will be more beloved to them than looking at Him