Faith, in this hadith, is not measured by what you do on a prayer mat alone. It is measured by what you want for other people. The Prophet ﷺ sets a bar that reaches straight into the private chambers of the heart: none of you truly believes until he loves for his brother what he loves for himself.
It is gentle and severe at once. Gentle, because it asks only that you wish others the good you already wish yourself. Severe, because it exposes how often we want to rise while others stay below us.
Where this hadith comes from
This is the thirteenth of Imam an-Nawawi's forty, narrated by Anas ibn Malik (ra), who served the Prophet ﷺ as a young boy and was close to him for ten years. It is recorded in both al-Bukhari (no. 13) and Muslim (no. 45), the two most rigorously authenticated collections, which gives it the highest grade, sahih and agreed upon.
Because it sits in the opening chapters of al-Bukhari, on faith itself, scholars have long treated it as foundational: a short, memorable line that places the wellbeing of others at the very centre of what it means to believe. No special occasion of revelation is attached to it; it stands as a general teaching for every believer.
The key words
What it means, line by line
"None of you truly believes" sets faith itself as the stake: the Prophet ﷺ is not describing manners or generosity, but locating a piece of iman in how the heart responds to others. "Until he loves for his brother" makes the believer a brother to every believer, so that another's good is felt as one's own rather than as a threat.
"What he loves for himself" is the measure: the same good you naturally want, ease, honour, guidance, you are to want for him too, not instead of yourself but alongside. It is a standard checked in private, in what the heart quietly wishes when no one is watching.
Belief that reaches the heart
The Prophet ﷺ does not say 'none of you is kind' or 'none of you is generous' until this. He says none of you believes. He is locating a piece of iman itself in how your heart responds to others' good fortune. A faith that leaves the heart free to resent fellow believers is, by this measure, incomplete.
This is the opposite of envy, the quiet wish that what someone has would leave them. Here the believer wants the blessing to stay with his brother, and to come to himself too, not instead of him. There is room, in this heart, for everyone to be well at once.
Why 'brother' matters
The word the Prophet ﷺ chooses is brother. Not stranger, not rival, not even neighbour, but family. Between true brothers, one's success is not the other's loss. When your brother is honoured, you are not diminished; something in you is glad.
To love for your brother what you love for yourself is to extend the family circle until it includes every believer: to be pleased by their good as you would be by your own, and pained by their harm as you would be by yours. The ummah is meant to feel less like a crowd and more like a household.
How the heart is trained to it
No one is born with this, and few feel it perfectly. It is grown. You grow it by making du'a for others by name, by rejoicing out loud at their good news, by refusing to feed the inner voice that keeps score. Each time you choose to want good for someone, the wanting becomes a little more natural, until one day you find you mean it.
This is not a feeling you must manufacture before you act. It is a feeling that acting honestly produces. Wish the good, again and again, and the heart eventually follows the hand.
Carry this with you
A measure of faith you can check in private: what do I want for others?
Faith reaches the heart.
Belief is incomplete while the heart still resents the good of fellow believers.
Want for others what you want for yourself.
Not less for them so you can have more, but good for them and for you together.
Treat believers as family.
Between brothers, another's honour is not your loss. Make the ummah feel like a household.
Grow it by practice.
Du'a by name, gladness at good news, refusing to keep score. The heart follows the repeated choice.
A du'a to carry
رَبَّنَا ٱغْفِرْ لَنَا وَلِإِخْوَٰنِنَا ٱلَّذِينَ سَبَقُونَا بِٱلْإِيمَٰنِ وَلَا تَجْعَلْ فِى قُلُوبِنَا غِلًّا لِّلَّذِينَ ءَامَنُوا۟ رَبَّنَآ إِنَّكَ رَءُوفٌ رَّحِيمٌ
Our Lord, forgive us and our brothers who preceded us in faith, and put not in our hearts [any] resentment toward those who have believed. Our Lord, indeed You are Kind and Merciful. (Al-Hashr 59:10)
A du'a for a generous heart
The Prophet ﷺ tied a piece of faith itself to the most private thing about us: not what we do for others, but what we want for them when no one is watching.
It is a high standard, and a beautiful one. It imagines an ummah where each person's good news is everyone's, where there is enough room in every heart for everyone to be well at once.
O Allah, remove all resentment from our hearts toward those who believe, and let us love for our brothers and sisters what we love for ourselves. Make us glad at their good, and gather us as one household before You. Ameen.
The hadith is from sunnah.com: 'None of you truly believes until he loves for his brother what he loves for himself,' narrated by Anas ibn Malik (ra), al-Bukhari 13 and Muslim 45, graded sahih (agreed upon). Qur'an citations (49:10 and 59:10) are in Uthmani script verified via quran.ai (ar-uthmani-minimal) with the Saheeh International translation. Per the editorial policy this stays with the meaning of brotherhood and purifying the heart. FOR SCHOLAR REVIEW before publication.