Explanation of the hadith
If I had a wealth of pure gold that is equal to the mountain of Uhud, I would spend all of it in the cause of Allah and would not keep anything thereof, expect what I need for fulfilling rights and repaying my debts.
If I had gold equal to the mountain of Uhud, it would please me that I should have nothing left of it with me after the passage of three nights, except what I might retain to repay a debt
Authentic hadithAl-Bukhari and Muslim. This is the wording of Al-BukhariHadeethEnc #3850
عن أبي هريرة رضي الله عنه عن رسول الله صلى الله عليه وسلم قال: «لو كان لي مِثْلُ أحدٍ ذهبًا، لسرني أن لا تمر عليَّ ثلاث ليالٍ وعندي منه شيءٌ إلا شيء أرْصُدُهُ لِدَيْنٍ».
English translation
Abu Hurayrah (may Allah be pleased with him) reported that the Prophet (may Allah's peace and blessings be upon him) said: "If I had gold equal to the mountain of Uhud, it would please me that I should have nothing left of it with me after the passage of three nights, except what I might retain to repay a debt."
Asceticism and PietyCondemning Love of the World