Answer: Abu Hurayrah (may Allah be pleased with him) reported that the Prophet (may Allah's peace and blessings be upon him) said: "It is from the best Muslim character to leave that which is not of one's concern." [Narrated by At-Tirmidhi and others]
Benefits of the Hadīth
1. One should not interfere with others' religious or worldly affairs.
2. Not interfering with others' affairs is part of one's perfect Islam.
Fourteenth Hadīth