Imam Bukhari carried on with years and years after the Prophet's (saw) passing and endeavored to gather his ahadeeth. Each report in his assortment was checked for similarity with the Qur'an, and the veracity of the chain of columnists must be meticulously settled. Bukhari's assortment is perceived by far most of the Muslim world to be one of the most valid assortments of the Sunnah of the Prophet(pbuh).

Sahih Bukhari