Imām Ibn al-Jawzī (d. 597/1201) summarized the scholars' opinions in his book "Zād al-Masīr" as follows:

1. They know that it is the truth.
2. They know the punishment for opposing it.

What is it implied that they know in the phrase "while they know"?

Imām Ibn al-Jawzī (d. 597/1201) summarized the scholars' opinions in his book "Zād al-Masīr" as follows:

1. It refers to the Prophet Muḥammad ﷺ. [Ibn ʿAbbās]
2. It refers to the change of the *qiblah* to the Kaʿbah. [Abū al-ʿĀliyah, Qatādah, al-Suddī, Muqātil. Also narrated from Ibn ʿAbbās]

What does the attached pronoun in "they recognise him/it" refer to?

Imām Ibn al-Jawzī (d. 597/1201) summarized the scholars' opinions in his book "Zād al-Masīr" as follows:

1. It refers to the Prophet Muḥammad ﷺ. [Mujāhid]
2. It refers to the change of the *qiblah* to the *Kaʿbah*. [Al-Suddī, Muqātil, and others]