Stand on the arrested

From what came in the introduction to this book: "As for now, this is the hadeeths of a place and a piece that followed it from a Muslim authenticity. He hunted with him or does the hadith. Like the saying of Al -Zuhri : Then the matter was in that in Abu Bakr and the chest of Omar''s Khalifa. "And Abdullah bin Masoud said: . He said: I have been struggled to sit and let it down.