ENOfficial
'Umar said, "You people must know that covetousness is poverty, despair is wealth, and that when a man despairs of anything he can dispense with it.”. Razin transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَن عمر رَضِي الله عَنهُ قَالَ: تَعْلَمُنَّ أَيُّهَا النَّاسُ أَنَّ الطَّمَعَ فَقْرٌ وَأَنَّ الْإِيَاسَ غِنًى وَأَنَّ الْمَرْءَ إِذَا يَئِسَ عَن شَيْء اسْتغنى عَنهُ. رَوَاهُ رزين
sunnah.com