Amr bin Dinar عمرو بن دينار الأثرم الجمحي · Chapters on Medicine

"I asked the Messenger of Allah (S.A.W): 'O Messenger of Allah(S.A.W)! Do you think that the Ruqyah we use, the treatments we use, and what we seek to protect ourselves will contradict anything from Allah's Decree?' He said: 'They are from Allah's Decree.'"

"I intended to prohibit Al-Ghilah until I remembered that the Persians and Romans do that, without any harm to their children."

“The Messenger of Allah (ﷺ) said: ‘Whoever gives medical treatment, with no prior knowledge of medicine, is responsible (for any harm done).’”