Hawzah News Agency – The holy prophet of Islam says:  

مَن كَسَبَ مالاً مِن غيرِ حِلِّهِ أفقَرَهُ اللَّهُ .

'Allah will empoverish whoever acquires wealth from an illegitimate source.'

Source: Amali al-Tusi, p. 182, no. 306