Qaylah bint Makhramah Radiyallahu 'Anha reports:
"I saw Rasulullah Sallallahu 'Alayhi Wasallam in the masjid (in a very humble posture) sitting in a qarfasaa posture. Due to his awe-inspiring personality, I began shivering'. (AR)
English reference (AR): Book 20, Hadith 120 (AR)
Arabic reference (AR): Book 21, Hadith 127 (AR)