(28) باب ذِكْرُ مُعَاوِيَةَ رضى الله عنه
Narrated Ibn Abi Mulaika:
Somebody said to Ibn `Abbas, "Can you speak to the chief of the believers Mu`awiyah, as he does not pray except one rak`a as witr?" Ibn `Abbas replied, "He is a Faqih (i.e. a learned man who can give religious verdicts) ."
Reference: Sahih al-Bukhari 3765
In-book reference: Book 62, Hadith 112
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 5, Book 57, Hadith 109