Samra bin Jundub · Chapters on Medicine

"When Allah loves a slave, He prevents him from the world, just as one of you prevents his sick from water." Another chain reports a similar narration.

“I was sitting with the Prophet (ﷺ) when a Bedouin came to him and said: ‘I have a brother who is sick.’ He said: ‘What is the matter with your brother?’ He said: ‘He suffers from a slight mental derangement.’ He said: ‘Go and bring him.’” He said: “(So he went) and he brought him. He made him sit down in front of him and I heard him seeking refuge for him with Fatihatil-Kitab; four Verses from the beginning of…