مُسْنَدُ أَحْمَدَ
Musnad Ahmad 4241
Musnad of Abdullah bin Mas'ood
It was narrated that ‘Abdullah bin Mas'ood said: The Messenger of Allah (ﷺ) said: “The one who spends in moderation will never become poor.”
Musnad Ahmad 4269Its isnad is da'eef]