«ما آتاك الله من أموال السلطان من غير مسألة ولا إشراف فكله وتموله»
The Prophet (peace and blessings be upon him) said:
"Whatever Allah gives you from the wealth of the ruler, without your asking for it and without your coveting it, eat it and make it your own property."
Hadith Referenceصحیح الجامع الصغیر / حرف الميم / 5503