صحيح البخاري
Sahih Bukhari
كتاب الاعتصام بالكتاب والسنة
The Book of Holding Fast To The Qur’An and The Sunna
باب ما يذكر من ذم الرأي وتكلف القياس:
(7) Chapter. What is said against judging (in religion) made on the basis of one’s own opinion or by Qiyas (without referring to the Quran or Sunna).