أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا حَمَّادٌ، عَنْ بُدَيْلٍ، عَنِ الْمُغِيرَةِ بْنِ حَكِيمٍ، عَنْ صَفِيَّةَ بِنْتِ شَيْبَةَ، عَنِ امْرَأَةٍ، قَالَتْ رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَسْعَى فِي بَطْنِ الْمَسِيلِ وَيَقُولُ " لاَ يُقْطَعُ الْوَادِي إِلاَّ شَدًّا " .
It was narrated from Safiyyah bint Shaimah that a woman said: I saw the Messenger of Allah hastening at the bottom of the valley and he said: "The river bed should not be crossed except with vigor." (Sahih)Chpater 178. The Place Where One Should Walk Translation Not Available
Book Ref: Sunan An Nisai Book 24 Hadith 2980
Web Ref: Sunan An Nisai Vol 3 Book 24 Hadith 2983