"The punishment of those who wage war against Allah and His Messenger, and strive with might and main for mischief through the land is: execution, or crucifixion, or the cutting off of hands and feet from opposite sides, or exile from the land: that is their disgrace in this world, and a heavy punishment is theirs in the Hereafter;" - Quran 5:33 (read more)

"Narrated Anas: The climate of Medina did not suit some people, so the Prophet ordered them to follow his shepherd, i.e. his camels, and drink their milk and urine (as a medicine). So they followed the shepherd that is the camels and drank their milk and urine till their bodies became healthy. Then they killed the shepherd and drove away the camels. When the news reached the Prophet he sent some people in their pursuit...." - Sahih Bukhari 1:5:268 (read more)

"[Muslims] believe through hearsay (taqlidi 'aqida) that the Injil is corrupted, even though they cannot indicate what passage was corrupted, when it was corrupted, and who corrupted it... To say that God has taken the Injil and the Tawrat into heaven and has abrogated them is to defame and slander God. It is to pour ridicule not only upon the Qur'an but upon all the Books." - Sayyid Ahmad Husayn Shawkat Mirthi