I remember the saying of Ali(AS) son in law of Mohammad(PBUH):

"Blessings are for the man who humbles himself before Allah, whose sources of income are honest, whose inten- tions are always honorable, whose character is noble, whose habits are sober, who gives away in the cause and in the Name of Allah, the wealth which is lying surplus with him, who controls his tongue from vicious and useless talk, who abstains from oppression, who faithfully follows the traditions of the Holy Prophet and who keeps himself away from innovation in religion."