(1) باب الْحَثِّ عَلَى الْكَسْبِ
It was narrated that 'Aishah said:
"The Messenger of Allah said: 'The best (most pure) food that a man eats is that which he has earned himself, and his child (and his child's wealth) is part of his earning." (RU)
Reference (RU): Sunan an-Nasa'i 4452 (RU)
In-book reference (RU): Book 44, Hadith 4 (RU)
English translation (RU): Vol. 5, Book 44, Hadith 4457 (RU)