Ayat al-Kursi, Surat al-Baqarah

اللَّهُ لاَ إِلَهَ إِلاَّ هُوَ الْحَيُّ الْقَيُّومُ لاَ تَأْخُذُهُ سِنَةٌ وَلاَ نَوْمٌ لَهُ مَا فِي

السَّمَاوَاتِ وَمَا فِي الأَرْضِ مَنْ ذَا الَّذِي يَشْفَعُ عِنْدَهُ إِلاَّ بِإِذْنِهِ يَعْلَمُ مَا بَيْنَ

أَيْدِيهِمْ وَمَا خَلْفَهُمْ وَلاَ يُحِيطُونَ بِشَيْءٍ مِنْ عِلْمِهِ إِلاَّ بِمَا شَاءَ وَسِعَ كُرْسِيُّهُ

السَّمَاو ;َاتِ وَالأَرْضَ وَلاَ يَئُودُهُ حِفْظُهُمَا وَهُوَ الْعَلِيُّ الْعَظِيمُ

Allahu la ilaha illa Huwa, Al-Haiyul-Qaiyum La ta'khudhuhu sinatun wa la nawm, lahu ma fis-samawati wa ma fil-'ard Man dhal-ladhi yashfa'u 'indahu illa bi-idhnihi Ya'lamu ma baina aidihim wa ma khalfahum, wa la yuhituna bi shai'im-min 'ilmihi illa bima sha'a Wasi'a kursiyuhus-samawati wal ard, wa la ya'uduhu hifdhuhuma Wa Huwal 'Aliyul-Adheem

Asma' bint Yazid (radiAllahu anhu) reported, ' I heard the Messenger of Allah (peace be upon him) say about these two following Ayahs, i.e, verses: "Allah! There is no god but He - the Living, The Self-subsisting, Eternal. [2:255], And, Alif Lam Mim, Allah! There is no god but He - the Living, The Self-subsisting, Eternal [3:1-2], That they contain Allah's Greatest Name." (--Imam Ahmed bin Hanbal in his Musnad)

"Do you know the Ayatul Kursi?" Anas (radi-allahu anhu) replied "I know". The Prophet (sallallahu alayhi wasallam) said, "It is equal to a quarter of the Qur'an