You belong to your father the devil, and you are [always] wanting to do what your father desires. He was a murderer from the [very] beginning [Note: This is probably a reference to Satan's influence on Adam, Eve and Cain in the Garden of Eden] and does not stand for the truth, because there is no truth in him. When he lies, he only speaks what is part of his nature, because he is a liar and the father of [all] liars.

Set them apart [i.e., for your service] through the truth; your word is truth.

But Peter said to Ananias, "Why has Satan filled your heart [causing you] to deceive the Holy Spirit by keeping back part of the selling price of the land [while representing it as the full price]?

They claimed to be wise, but became fools,

And you should put on the new person who has been [re-] created to be like God in true righteousness and holiness.

Do not lie to one another, since you have put away [the conduct of] your old person with its practices,

If we prove to be unfaithful [i.e., to our commitment to Christ], He [still] remains faithful [to His word], for He cannot deny Himself. [Note: This verse refers to Christ remaining true to His promise of either accepting or rejecting us. See Matt. 10:32-33].

[and provides] hope for never ending life. God, who cannot lie, promised this [life] before the beginning of time,

If we claim to have no sinful practices [in our lives], we are self-deceived and are not being truthful about the matter.

Who is the liar? It is the person who denies that Jesus [truly] is the Christ [i.e., God's specially chosen One]. This person is the antichrist [See verse 18]; he is the one who denies [the truth about] the Father and the Son.

Then the great dragon was thrown out [of heaven]; he is the snake from ancient times who is [also] called "the Devil," and "Satan," the deceiver of the entire world. He was thrown down to earth along with his angels.

But the place for cowards, and unbelievers, and disgusting people [i.e., because of their terrible sins], and murderers, and sexually immoral people, and sorcerers, and idolaters, and all liars, will be the lake that burns with fire and sulphur. This is the second death."

And there will never be anything [morally] unclean allowed to enter it, nor any person who practices disgusting behavior [i.e., probably such sins as sexual perversion], or [any person] who is a liar. But the only ones [allowed there] are those [whose names are] recorded in the Lamb's book of life.

"I, Jesus, have sent my angel to testify to you people about these things for [the benefit of] the churches [See 1:4]. I am the Root and the descendant of King David, the bright Morning Star."