Ja'far Ibn Muhammad al-Sadiq (PBUH) narrated from his father that the Apostle of Allah (PBUHHF) said, "O Ali! If a servant worships Allah for a thousand years, Allah shall not accept from him except by means of your Wilaya and the Wilaya of the Imams in your offspring. And verily your Wilaya shall not be accepted except by means of keeping aloof from your enemies and the enemies of the Imams in your offspring. This is what Gabriel has informed me. 'Thus let him who will, believe (it), and let him who will, reject it ....