Hawzah News Agency – The commander of the faithful, Imam Ali peace be upon him says:
كَفى بالَعْبدِ أدَباً أن لا يُشرِكَ في نِعَمهِ وأرَبهِ غيرَ ربِّهِ.
'It suffices man in disciplining himself to not associate anyone with his Lord in his bounties and desires.'
Source: Bihar al-Anwar, v. 94, p. 94, no. 12