On it being disliked to put the hands on the hips during the prayer

Riyad as-Salihin (The Meadows of the Righteous)

by Imam Nawawi

338. Chapter: On it being disliked to put the hands on the hips during the prayer

1752. Abu Hurayra said, "Placing the hands on the hips during the prayer was forbidden." [Agreed upon]