Jabir reported God’s messenger as saying, "On the day of resurrection, when people who have suffered affliction are given their reward, those who are healthy will wish their skins had been cut to pieces with scissors when they were in the world.”
Tirmidhi transmitted it, saying that this is a gharib tradition.
‘Abdallah b. Shikhkhir reported God’s messenger as saying, “The son of Adam was created with ninety-nine trials at his side. If the trials miss him he falls into decrepitude till he dies.”
Tirmidhi transmitted it, saying that this is a gharib tradition.
‘Amir ar-Ram told that God’s messenger mentioned illnesses and said, "When a believer is afflicted by illness and God who is great and glorious cures him of it, it serves as an atonement for his previous sins and a warning to him for the future; but when a hypocrite becomes ill and then is cured he is like a camel which has been tethered and then let loose by its owners, but does not know why they tethered it and why they let it loose.” When a man asked God’s messenger what illnesses were, adding that he swore by God he had never been ill, he said, "Get up and leave us ; you do not belong to our number.”
Muhammad b. Khalid as-Sulami on his father’s authority said his grandfather reported God’s messenger as saying, “When God has previously decreed for a servant a rank which he has not attained by his action, He afflicts him in his body, or his property, or his children. He then enables him to endure that so that He may bring him to the rank previously decreed for him by God.”