That is because you have accepted a Christianized form of Islam, we Muslims believe in the sword. Here is the hadith in full:Padishah wrote: Why don't you post a reference RuralMan. I can't believe the Prophet (PBUH) sent to perfect moral character would speak in such terms.
Abu Musa al Ashari narrated that Muhammad (saw) said, “I am Muhammad and I am Ahmad, and I am the prophet of mercy, and I am the prophet of slaughter, and I am the one who follows (comes after), and I have been sent to the Jihad not of plantation.” (Sahih Muslim)
"And the Quraish the mushrikeen had complained that the Messenger , “Ridiculed our ideals, reviled our forefathers, castigated our religion, divided our ranks, and insulted our gods.” And after they had said this, the Messenger e replied in their faces, “Listen (to these words)- O assembly of Quraysh! I swear by Him in Whose Hand lies the soul of Muhammad! Verily, I have come to slaughter you.”
Recorded in Musnad Ahmad under # 7036; Muhaddith Muhaqqiq Ahmad Shaakir (ra) classified it as Saheeh