Ya Sin, 21 Ayah
36:21
ٱتَّبِعُواْ مَن لَّا يَسۡـَٔلُكُمۡ أَجۡرٗا وَهُم مُّهۡتَدُونَ ٢١
Attabi`ū Man Lā Yas'alukum 'Ajrāan Wa Hum Muhtadūna
Follow those who do not ask of you [any] payment, and they are [rightly] guided.