question #3 Sahih al-Bukhari 7196, Book 93, Hadith 57 : What significance does Heraclius attribute to the truthfulness of Abu Sufyan’s account about the Prophet?

That Abu Sufyan bin Harb told him that Heraclius had called him along with the members of a
Quraish caravan and then said to his interpreter, “Tell them that I want to ask this (Abu Sufyan) a
question, and if he tries to tell me a lie, they should contradict him.” Then Abu Sufyan mentioned the
whole narration and said that Heraclius said to the inter Peter, “Say to him (Abu Sufyan), ‘If what you
say is true, then he (the Prophet) will take over the place underneath my two feet.’ ”