Sahih Bukhari

Narrated Jabir:The Prophet (ﷺ) said, ""Who is ready to kill Ka`b bin Ashraf (i.e. a Jew)."" Muhammad bin Maslama replied, ""Do you like me to kill him?"" The Prophet (ﷺ) replied in the affirmative. Muhammad bin Maslama said, ""Then allow me to say what I like."" The Prophet (ﷺ) replied, ""I do (i.e. allow you)