"Satan styled himself as an authority in both the initial conflict with
the angels in heaven and in the temptation of Eve.
--His proximity to God
as the covering cherub (By the multitude of 
thy merchandise they have filled the midst of thee with violence, and thou hast sinned: therefore I will cast thee as profane out of the mountain of God: and I will destroy thee, O covering cherub, from the midst of the stones of fire. Ezekiel 28:16) was used to artfully insinuate to
the angels that he knew God and His law better than they did.
since the serpent was physically in the tree, and had presumably already tasted its fruit and acquired the power of speech thereby.
*In both
scenarios, Satan suggested that the beings he sought to influence ought
to defer to his positions because he had more experience and
understanding than they did.
There is a great controversy raging between God and Satan, between truth
and error. In a world of lies, Jesus calls to the world and says, “I am
the way, the truth, and the life: No man cometh unto the Father except
through Me” (John 14:6).
According to Christ, there’s One way.
One
truth."
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