Sunan Ibn Majah
4225
Sahih+3

It was narrated from Abu Dharr:“I said to the Prophet (ﷺ): ‘(What do you say about when) a man does a deed for the sake of Allah, and people love him for it?’ He said: ‘That is the immediate glad tidings of the believer.’”

SahihAl-Albani
SahihMuhammad Fouad Abd al-Baqi