Have we already escaped the corruption that is in the world?
Having Escaped the Corruption: How?
Jesus left an example for his followers to imitate, Christians by following his example and exercising faith in his ransom sacrifice have "escaped the corruption"in the world caused by evil lusts.
Titus 2:7-8 NASB
In all things show yourself to be an example of good deeds, with
purity in doctrine, dignified, 8 sound in speech which is beyond
reproach, so that the opponent will be put to shame, having nothing
bad to say about us.
Christians having escaped the corruption in the world caused by its evil desires, are to avoid pursuing immoral worldly desires, such as illicit sex, drug, and alcohol abuse, drunkenness, debase films and music, and violent sports like boxing.
Psalm 11:5 NASB
5 The Lord tests the righteous and the wicked, And His soul hates one
who loves violence.
And how does it shape the meaning of the verse?
What are "His precious and magnificent promises, " So that through them you may become partakers of the divine nature?
Jesus makes a covenant for a kingdom with his anointed with spirit followers:
Luke 22:29-30 NASB
29 and just as My Father has granted Me a kingdom, I grant you 30 that
you may eat and drink at My table in My kingdom, and you will sit on
thrones judging the twelve tribes of Israel.
Jesus is going to heaven where his father is to prepare a place for them.
John 14:2 NASB
2 In My Father’s house are many rooms; if that were not so, I would
have told you, because I am going there to prepare a place for you.
Chosen to rule with him in his heavenly kingdom for a thousand years.
Revelation 20:6 NASB
6 Blessed and holy is the one who has a part in the first
resurrection; over these, the second death has no power, but they will
be priests of God and of Christ, and will reign with Him for a
thousand years.
Partakers of the Divine nature granted immortality, incorruptibility [ Rom. 6:5, 1 Cor 15:42-54];
1 Peter 1:3-4 KJV
3 Blessed be the God and Father of our Lord Jesus Christ, which
according to his abundant mercy hath begotten us again unto a lively
hope by the resurrection of Jesus Christ from the dead,4 To an
inheritance incorruptible, and undefiled, and that fadeth not away,
reserved in heaven for you,
Conclusion
Paul is also a fine example to follow and strengthen Christians , having escaped the corruption of the world with its evil desires ,he urges the partakers of the divine nature [Heb 3:1 Partakers of the heavewnly calling NASB] to endure to the end and so benefit these magnificent promises. Such as Immortality , incorruptibility, live in heaven and to rule as kings and priests [ Rev.20:6} with Jesus over the earth.