Imambukhari gathered whatever found. He never said that Rasululah said such and such. He rather said someone said that Rasul said this. He will reply Allah that he himself believed that.. In Bukhari we find that Quran is incomplete, There were verses of Rajm, wuzu can be lighter . Also that Quran contains abrogated verses.

Bukhari avoided writing foreword of his Bukhari sharif thus avoiding reprehensibility. "So who is more unjust than he who invents a lie about Allah or denies His signs? .