(2) باب اجْتِنَابِ الشُّبُهَاتِ فِي الْكَسْبِ
It was narrated that Abu Hurairah said:
"The Messenger of Allah said: 'There will come a time when a man will not care where his wealth comes from, whether (the source is) Halal or Haram." (RU)
Reference (RU): Sunan an-Nasa'i 4454 (RU)
In-book reference (RU): Book 44, Hadith 6 (RU)
English translation (RU): Vol. 5, Book 44, Hadith 4459 (RU)