question #3 Sahih al-Bukhari 7229, Book 94, Hadith 4 : What lessons can be learned from the Prophet’s reflection on past decisions in light of new understanding?

Allah’s Messenger (ﷺ) said, “If I had formerly known what I came to know recently, I would not have driven the
Hadi with me and would have finished the state of Ihram along with the people when they finished it.”