Riyad as-Salihin

The Book of the Etiquette of Sleeping, Lying and Sitting etc — Hadith #143

Riyad as-Salihin:The Book of the Etiquette of Sleeping, Lying and Sitting etc:Hadith 143
وعن قيلة بنت مخرمة رضى الله عنها قالت‏:‏ رأيت النبي صلى الله عليه وسلم وهو قاعد القرفصاء، فلما رأيت رسول الله صلى الله عليه وسلم المتخشع في الجلسة أرعدت من الفرق‏.‏ ((رواه أبو داود والترمذي))‏.‏

I saw the Prophet (ﷺ) seated with his arms enfolding his legs; and when I saw him in such a state of humble guise I trembled with fear due to the awe (he showed in that posture)..