(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 a man's child (and his child's wealth) is part of his earnings" (Sahih ) (RU)
Reference (RU): Sunan an-Nasa'i 4449 (RU)
In-book reference (RU): Book 44, Hadith 1 (RU)
English translation (RU): Vol. 5, Book 44, Hadith 4454 (RU)