ثُمَّ أَتَيْنَاهُ مَرَّةً أُخْرَى، وَهُوَ يَبْنِي حَائِطًا لَهُ، فَقَالَ: إِنَّ الْمُسْلِمَ يُؤْجَرُ فِي كُلِّ شَيْءٍ يُنْفِقُهُ إِلاَّ فِي شَيْءٍ يَجْعَلُهُ فِي التُّرَابِ.
Qais bin Abi Hazim (may Allah have mercy on him) says that once we visited him and he was building his wall. He said: Indeed, whatever a Muslim spends, he is surely rewarded for it, except for what he spends on mud (i.e., construction).