It was narrated from Abu Hurairah that : the Messenger of Allahﷺ said: "Whoever says one hundred times each day: La ilaha illahu wahdahu la sharikalahu, wa lahul-mulku wa lahul hamduwa huwa ala kulli shayin qadeer (None has the right to be worshipped but Allah alone, with no partner or associate. His is the dominion, all praise is to Him, and He is able to do all things), it will be equivalent to him freeing ten slaves, and one hundred merits will be recorded for him, and one hundred bad deeds will be erased from (his record), and it will be a protection for him against Satan all day until night comes. No one can do anything better then him except one who says more'."
This hadith teaches us about the importance of reciting Quranic verses and how it can bring us many rewards in return such as forgiveness of sins and protection from Satan. It also shows us how powerful our words are and how we should use them wisely in order to reap its benefits in both worlds - this world and hereafter.