"Until, when he reached the setting of the sun, he found it set in a spring of murky water: Near it he found a People: We said: “O Zul-qarnain! (thou hast authority,) either to punish them, or to treat them with kindness." - Quran 18:86 (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)

"Hence the fuqaha’ of all madhhabs are agreed that circumcision for both men and woman is part of the fitrah of Islam and one of the symbols of the faith, and it is something praiseworthy. There is no report from any of the Muslim fuqaha’, according to what we have studied in their books that are available to us, to say that circumcision is forbidden for men or women, or that it is not permissible, or that it is harmful for females, if it is done in the manner that the Prophet (peace and blessings of Allaah be upon him) taught..." - Shaykh Jaad al-Haqq ‘Ali Jaad al-Haqq