Ata' bin Abi Rabah عطاء بن أبي رباح · Zuhd

“I entered upon the Messenger of Allah (ﷺ) when he was (sitting) on a reed mat. I sat down and (saw that) he was wearing a waist wrap, and there was no other barrier between him and the mat but his waist wrap, and the reed mat had made marks on his side. And I saw a handful of barley, nearly a Sa’, and some acacia leaves, in a corner of the room, and a skin hanging up. My eyes…

“No one will enter Paradise who has pride in his heart equal to the weight of a grain of mustard seed, and no one will enter Hell who has faith in his heart equal to the weight of a grain of mustard seed.”