Mishkat al-Masabih
Mishkat al-Masabih 2783
Earning, and Seeking what is Lawful - Section 3
Arabic hadith text
وَعَنْ رَافِعِ بْنِ خَدِيجٍ قَالَ: قِيلَ: يَا رَسُولَ اللَّهِ أَيُّ الْكَسْبِ أَطْيَبُ؟ قَالَ: «عَمَلُ الرَّجُلِ بِيَدِهِ وَكُلُّ بَيْعٍ مَبْرُورٍ» . رَوَاهُ أَحْمَدُ
Translation
Rafi' b. Khadij said God's Messenger was asked what type of earning was best and replied, “A man’s work with his hand and every business transaction which is approved.”Ahmad transmitted it.