ENOfficial
He reported God's Messenger as saying, “A time will come to mankind when a man will not care whether what he gets comes from a lawful or an unlawful source.” Bukhari transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «يَأْتِي عَلَى النَّاسِ زَمَانٌ لَا يُبَالِي الْمَرْءُ مَا أَخَذَ مِنْهُ أَمِنَ الْحَلَالِ أم من الْحَرَام» . رَوَاهُ البُخَارِيّ
sunnah.com