Ayatul Kursi: The Verse the Prophet ﷺ Called the Greatest in the Quran

One day, the Prophet ﷺ turned to a Companion named Ubayy ibn Ka'b and asked him a simple question: "O Abu al-Mundhir, do you know which verse in the Book of Allah, according to you, is the greatest?" Ubayy answered without hesitation: "Allahu la ilaha illa Huwa Al-Hayyul-Qayyum" — the opening words of Ayatul Kursi. The Prophet ﷺ struck him gently on the chest and said, "By Allah, may this knowledge be pleasant for you, O Abu al-Mundhir." This narration is recorded in Sahih Muslim, and it tells you everything about how seriously this one verse is regarded — a Companion's instinct was confirmed, by the Prophet ﷺ himself, as the correct answer.

So what is this verse, and why does it carry that weight?

Where it sits in the Quran

Ayatul Kursi is verse 255 of Surah Al-Baqarah (2:255), the longest chapter of the Quran. It is not a separate surah of its own — it is a single, self-contained verse sitting in the middle of Al-Baqarah, and yet it is so complete in what it says about Allah that scholars have treated it almost like a surah in miniature. The name Kursi comes directly from a word inside the verse itself.

What the verse actually says

The opening line establishes everything that follows: "Allahu la ilaha illa Huwa" — "Allah, there is no deity except Him" — followed immediately by two of His names, Al-Hayy (the Ever-Living) and Al-Qayyum (the Sustainer, the One who does not depend on anything, while everything depends on Him).

Then comes a line that stops many people mid-recitation: "La ta'khudhuhu sinatun wa la nawm" — "Neither drowsiness overtakes Him, nor sleep." Not even a moment's inattention. Whatever is happening anywhere in creation, right now, He is aware of it, without needing rest.

The verse continues: "Lahu ma fis-samawati wa ma fil-ard" — "To Him belongs whatever is in the heavens and whatever is on the earth." Nothing exists outside His ownership. And then a line about intercession — that "no one can intercede with Him except by His permission" — a reminder that even the closest of the righteous can only speak on someone's behalf if Allah allows it, not by their own authority.

Near the end: "Wasi'a kursiyyuhu as-samawati wal-ard, wa la ya'ooduhu hifzuhuma" — "His Kursi extends over the heavens and the earth, and preserving them does not tire Him." And the verse closes with two more names: Al-Aliyy (the Most High) and Al-Azim (the Most Great).

What exactly is the "Kursi"?

The word Kursi is often translated as "throne" or "footstool," and it is the reason the verse carries this name. On the precise nature of the Kursi — and how it relates to the Arsh (the Throne mentioned elsewhere in the Quran) — the early scholars of tafsir held more than one view. What is agreed upon, without dispute, is what the word points to: the vastness of Allah's authority and knowledge, stretching over all of creation, heavens and earth included, without any effort or fatigue on His part. Where scholars differ is a matter of detail beyond that point, and it is not something this verse itself asks us to resolve.

The night a thief told the truth

There is a hadith about this verse that reads almost like a short story. Abu Huraira (may Allah be pleased with him) was once put in charge of guarding the stored dates of charity. One night, he caught someone stealing handfuls of it. He grabbed the intruder and threatened to take him to the Prophet ﷺ. The thief begged to be let go, pleading poverty and a large family, and Abu Huraira let him go out of pity.

The next morning, the Prophet ﷺ asked Abu Huraira what had happened the night before. When he explained, the Prophet ﷺ said, "He lied to you, and he will come back." Sure enough, the same thing happened a second night, and then a third. On the third night, Abu Huraira held on tighter and refused to release him. The figure — who was actually a devil in human form — offered him something in exchange for freedom: "Let me go, and I will teach you words that will benefit you. When you go to your bed, recite Ayatul Kursi from beginning to end — a guardian from Allah will stay with you, and no devil will come near you until morning."

When Abu Huraira told the Prophet ﷺ this the next day, he said, "He told you the truth, even though he is a liar — that was Shaytan." This narration is recorded in Sahih al-Bukhari, in the chapters on the virtues of the Quran, and it is why so many Muslims recite this verse as the last thing before sleep.

A promise for after every prayer

Alongside the bedtime narration, there is another well-known hadith — recorded by An-Nasa'i and graded authentic by several scholars of hadith — in which the Prophet ﷺ said: "Whoever recites Ayatul Kursi after every obligatory prayer, nothing prevents him from entering Paradise except death." This is why, in mosques and homes around the world, you will hear this verse recited quietly right after the final salam of every Fajr, Zuhr, Asr, Maghrib, and Isha.

Why one verse carries so much weight

Step back and look at what the verse actually does in a few short lines: it establishes that Allah is alive and self-sufficient, that He never tires or sleeps, that everything in existence belongs to Him, that no one can act on His authority without His permission, and that His knowledge and power stretch across all of creation without any strain. It is, in effect, a complete description of Tawheed — the oneness of Allah — compressed into a single verse. That is very possibly why the Prophet ﷺ agreed with Ubayy ibn Ka'b that day: not because the words are long, but because so little is left unsaid.

For a verse this dense, it is worth reciting slowly at least once — not rushed through as a habit, but read the way you would read something someone wrote specifically to reassure you that nothing in your life is happening outside His knowledge.

Read the full story of Surah Al-Baqarah

The complete story and context of Surah Al-Baqarah — where Ayatul Kursi is found — is available as a free story-style ebook on this site, along with all 114 surahs of the Quran in English, Hinglish, and Hindi. No fee, no sign-up — sadaqah jariyah.