Al-Mu'minun 23:72

أَمْ تَسْـَٔلُهُمْ خَرْجًا فَخَرَاجُ رَبِّكَ خَيْرٌ ۖ وَهُوَ خَيْرُ ٱلرَّٰزِقِينَ

Am tasaluhum kharjan fakharāju rabbika khayrun wahuwa khayru l-rāziqīna

Or do you, [O Muḥammad], ask them for payment? But the reward of your Lord is best, and He is the best of providers.