Sayyiduna Rakb al-Misri (may Allah be pleased with him) narrates the same hadith, except that he did not mention the saying: "Glad tidings to the one who humbles himself and whose earnings are good," and he (peace and blessings be upon him) said: "Glad tidings to the one who makes his inner self pure and his outward conduct excellent."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الزكاة / 7784