And this is so that the Truth may be known with a knowledge purified from falsehood, and so that its people may lean toward it with a total inclination, bearing witness to it with pure testimony, and rejecting belief in falsehood—which is the exoteric knowledge—with an absolute and total rejection, in response to His Almighty’s saying:

{And say: "Truth has come, and falsehood has perished. Indeed, falsehood is bound to perish."} (Al-Isra: 81).

For the People of Truth must lean toward the Truth, which is their [primordial] essence, through a Decisive Word from the firm, established sayings. Just as the People of Falsehood must lean toward falsehood, which is their essence, through a disguised word from the ambiguous (Mutashabih) sayings.

Our Master al-Sadiq—peace be upon him—has graced us with that which indicates and confirms this meaning by his saying to al-Mufaddal bin Umar in the seventeenth chapter of the book al-Haft wa al-Azilla (The Seven and the Shadows):

"So whoever leans toward the Truth and relies upon it is from the lineage of Adam due to his acceptance of Truth; and whoever leans toward falsehood and loves it is from the progeny of Iblis due to his denial of Truth and his abandonment of sincerity."

Then he said: "And another sign regarding the children of Adam and the progeny of Iblis..."