It was narrated from Abu Al-Ahwas, from his father, : That he came to the Prophet (ﷺ) wearing shabby clothes. The Prophet (ﷺ) said to him: "Do you have any wealth?" He said: "Yes, all kinds of wealth." He said: "What kinds of wealth?" He said: "Allah has given me camels, cattle, sheep, horses and slaves." He said: "If Allah has given you wealth, then let the effect of Allah's blessing and generosity be seen on you."
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا أَحْمَدُ بْنُ سُلَيْمَانَ، قَالَ حَدَّثَنَا أَبُو نُعَيْمٍ، قَالَ حَدَّثَنَا زُهَيْرٌ، عَنْ أَبِي إِسْحَاقَ، عَنْ أَبِي الأَحْوَصِ، عَنْ أَبِيهِ، أَنَّهُ أَتَى النَّبِيَّ صلى الله عليه وسلم فِي ثَوْبٍ دُونٍ فَقَالَ لَهُ النَّبِيُّ صلى الله عليه وسلم " أَلَكَ مَالٌ " . قَالَ نَعَمْ مِنْ كُلِّ الْمَالِ . قَالَ " مِنْ أَىِّ الْمَالِ " . قَالَ قَدْ آتَانِيَ اللَّهُ مِنَ الإِبِلِ وَالْغَنَمِ وَالْخَيْلِ وَالرَّقِيقِ . قَالَ " فَإِذَا آتَاكَ اللَّهُ مَالاً فَلْيُرَ عَلَيْكَ أَثَرُ نِعْمَةِ اللَّهِ وَكَرَامَتِهِ " .
sunnah.com