(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." (ES)
Reference (ES): Sunan an-Nasa'i 4452 (ES)
In-book reference (ES): Book 44, Hadith 4 (ES)
English translation (ES): Vol. 5, Book 44, Hadith 4457 (ES)