Answer: Anas (may Allah be pleased with him) reported that the Prophet (may Allah's peace and blessings be upon him) said: "None of you truly believes until he loves for his brother what he loves for himself." [Narrated by Al-Bukhāri and Muslim]
Benefits of the Hadīth
1. A believer should love for the believers what he loves for himself of goodness.
2. This is part of perfect faith.
Eighth Hadīth