“I once asked abu ‘Abdillah (a.s.), ‘What is the difference between al-‘Umrah of al-Tamattu‘ and separate al-‘Umrah?’ He (the Imam) replied, ‘Al-Tamattu’ al-‘Umrah is linked with al-Hajj. In a separate al-‘Umrah, one, after completing its acts, is free to go wherever he likes. Al- Husayn (a.s.) performed separate al-‘Umrah in Dhu al-Hijjah, then he left on the day of al-Tarwiyah (8th of Dhu al-Hijjah) for Iraq when people were leaving for Mina. There is no offense in performing al-‘Umrah in the month of Dhu al-Hijjah if one does not want to perform al-Hajj.’”