It is narrated from Sayyiduna Abu Umamah (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "If the son of Adam had two valleys, he would wish for a third as well; and wealth was made only for establishing the prayer and giving zakah. Nothing fills the belly of the son of Adam except dust, and Allah accepts the repentance of whoever repents."
Hadith Referenceالمعجم الكبير للطبراني / باب الصاد / 7939