مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3111
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Tawoos said: Ibn ‘Abbas (رضي الله عنه) said: The Messenger of Allah (ﷺ) said: "Whoever has land, for him to lend it to his brother (for free) is better for him.
Musnad Ahmad 3135Its isnad is saheeh, al-Bukhari (2330) and Muslim (1550)]