What is the greatest phrase in the Qur’an and WHY

We work to analyze the greatest word or the greatest sentence or phrase and that is the killing of a tauheed la isla de la, we would find that all the letters that are mentioned in this Kadima in this frames are from those letters, which are known in the Arabic language as a hurdle,

which are basically those letters that come from deep within the throat.

The scholars mentioned that the wisdom behind this is that a person when he says the element of a tawheed, for it to really benefit that person. It needs to be said with a class with sincerity. And that's the whole meaning of the killing of a tawheed that a person is testifying that no one deserves to be worshipped except Allah. And in order for it to benefit the person asked me said with sincerity,