أَمْ تَسْـَٔلُهُمْ أَجْرًا فَهُم مِّن مَّغْرَمٍ مُّثْقَلُونَ
Am tas'aluhum ajran fahum mim maghramim musqaloon
Do you [Prophet] demand a payment from them that would burden them with debt?
Or do you ask them for a reward, so that they are weighed down by debt?