مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2529
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
'Amr bin Deenar narrated that Tawoos said: One who was more knowledgeable about it than them - meaning 'Abdullah bin 'Abbas (رضي الله عنه) - told me that the Messenger of Allah (ﷺ) said: “For a man to lend his land to his brother for free is better than his taking a specified share of the crop in return for it."
Musnad Ahmad 2541Its isnad is saheeh, al-Bukhari (2330) and Muslim (155)]