Allah's Messenger (ﷺ) said, "Abraham did his circumcision with an adze* at the age of eighty."

Narrated Abu Az-Zinad: (as above) With an adze*.

* a type of cured blade axe.
Sahih al-Bukhari Book 60, Hadith 31
← Previous Hadith That when the people mentioned before Ibn `Abbas that the Dajjal would have the word Kafir, (i.e. unbeliever) or the letters Kafir (the root of the Arabic verb 'disbelieve') written on his forehead, I heard Ibn `Abbas saying, "I did not hear this, but the Prophet (ﷺ) said, 'If you want to see Abraham, then look at your companion (i.e. the Prophet) but Moses was a curly-haired, brown man (who used to ride) a red camel, the reins of which was made of fires of date-palms. As if I were now looking down a valley."

Sahih al-Bukhari Book 60, Hadith 30 Next Hadith → Allah's Messenger (ﷺ) said, "Abraham did not tell a lie except on three occasions."

Sahih al-Bukhari Book 60, Hadith 32