Dalil
العربية

Quran Ya-Sin 36:21

ٱتَّبِعُواْ مَن لَّا يَسۡـَٔلُكُمۡ أَجۡرٗا وَهُم مُّهۡتَدُونَ

Translation

Follow those who do not ask of you [any] payment, and they are [rightly] guided.