Hawzah News Agency – Imam al-Sadiq, the sixth Imam of Shiites, peace be upon him says:
جُعِلَ الخَيرُ كُلُّهُ في بَيتٍ، وجُعِلَ مِفتاحُهُ الزُّهدَ في الدنيا.
'All goodness has been placed in one house, and its key is asceticism and restraint from worldly pleasures.'
Source: Bihar al-Anwar. v. 73, p. 49, no. 20