Narrated ‘Abdullah bin Mas’ud (RA): “Allah has not created in the heavens nor in the earth what is more magnificent than Ayat Al-Kursi.” Sufyan (RA) said: “Because Ayat Al-Kursi is the Speech of Allah, and Allah’s Speech is greater than Allah’s creation of the heavens and the earth.”
(Tirmidhi, Vol. 5, Book 42, Hadith 2884)