Riyad as-Salihin: The Book of Miscellany – Hadith No. 1355 — Abdullah bin ‘Amr bin Al-‘as (May Allah be pleased with them) reported… (Hadith No. 1355)

Abdullah bin 'Amr bin Al-'as (May Allah be pleased with them) reported: Messenger of Allah (ﷺ) said, "There are forty kinds of virtue; the uppermost of them is to lend a (milch) she-goat (to someone in order to benefit from it and then return it). He who practices any of these virtues expecting its reward and relying on the truthfulness of the promise made for it, shall enter Jannah.".

Explanation:

Reference: Riyad as-Salihin, The Book of Miscellany, Hadith No. 1355