Nothing butsand can satisfy fully
the belly of Son of Adam
70) Narrated Abu Waqid Al-Laithi : We used to visit the Prophet to hear anything revealed to him. One day he said to us: Allah said: Verily, We have bestowed (the believers) with fortune in order to offer prayers and pay Zakdt (as per rules). But if the son of Adam had one valley of money he would wish for the second. If he had two valleys, he would wish for the third, So, nothing except soil can fill up the belly of the son of Adam. But Allah will forgive the one who repents to Him.
(This Haditb is good and reported in Musnad Ahmad).