And when this matter was decisive, it indicated that it suffices this blessed nation to affirm it once. So he said, repeating the matter between the affirmation of the deterrent a third time with the appropriate tool for it, and for it to be for a meaning - truly as the Imams of recitation say: ﴿Kalla﴾ [that is -] so that their retreat from excessive boasting may intensify, for it is the foundation of every calamity. Indeed, you ﴿if you only knew﴾, O those who boast excessively.

And when knowledge may be applied to conjecture, its metaphorical meaning was raised by his saying: ﴿‘Ilm al-Yaqin﴾ [the knowledge of certainty]. If you were to have knowledge [in terms of] certainty once in a lifetime, you would have known what is before you. So excessive boasting would not have distracted you, and you would have laughed little and wept much, and you would have gone out to the heights, crying out. - So this answer was omitted after the omission of the object for the sake of magnification. It is an indication that there is no certainty other than it, and the meaning is that your deeds are the deeds of one who does not have certainty. Al-Razi said: Certainty is the compound of taking this path, and it is the highest degree of the general people and the first step of the special ones. He, blessings and peace be upon him, said: 'The best thing that is cast into the heart is certainty.' And the knowledge of accepting what has appeared of the truth and accepting what is hidden for the truth, and standing upon what is established by the truth. The verse is from the intertwining: it mentioned distraction first and omitted its cause, which is ignorance, due to the indication of the second [to it]. It mentioned secondly the knowledge which is the fruit and omitted what results from it, which is the absence of distraction that is the opposite of the first. And it increased in magnification for this warning by clarifying the one who is warning after its ambiguity with an oath indicated by its preposition. So he said: