adab 25 Extravagance in Building كتاب السَّرَفِ فِي الْبِنَاءِ 14

ثُمَّ أَتَيْنَاهُ مَرَّةً أُخْرَى، وَهُوَ يَبْنِي حَائِطًا لَهُ، فَقَالَ: إِنَّ الْمُسْلِمَ يُؤْجَرُ فِي كُلِّ شَيْءٍ يُنْفِقُهُ إِلاَّ فِي شَيْءٍ يَجْعَلُهُ فِي التُّرَابِ.

He continued, “Then we came to him another time while he was building a wall and his and he said, ‘The Muslim is rewarded for everything on which he spends money except for what he spends on dust.’