What did the Prophet Muhammad (saw) say to Muhammad bin Maslama regarding killing Ka`b bin Ashraf (saw)?
 Narrated Jabir:                     The Prophet 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 replied in the affirmative. Muhammad bin Maslama said, "Then allow me to say what I like." The Prophet replied, "I do (i.e. allow you).