2 Peter 2:20

For if people who have escaped from the defiling practices of the world by coming to know our Lord and Savior Jesus Christ, become tangled up in them again, and are overcome by them, these people are worse off than before they were converted.

2 Peter 1:2

[May God's] unearned favor and peace be yours in abundance, through the knowledge of God and Jesus our Lord.

2 Peter 2:18

[Although] their talk is big, what they say is worthless, and by [offering people] fleshly desires [i.e., sexual gratification], they lead people astray, who are barely escaping from the error of the world.

Hebrews 10:26-27

For if we go on sinning intentionally, after we have received the full knowledge of the truth, there is no longer any sacrifice for [our] sins.

Matthew 12:43-45

But when an evil spirit has been driven out of a person, it roams through desert regions trying to find rest but cannot find it.

Luke 11:24-26

"When an evil spirit has been driven out of a man, it roams through desert regions trying to find rest, but [when it] cannot find any, it says [to itself], 'I will return to my house from which I came [i.e., the body of the person it dominated].'

Philippians 3:19

Their [ultimate] end is [spiritual] destruction; their god is their appetite; they boast of what they ought to be ashamed of, and they [constantly] think about worldly things.

Hebrews 6:4-8

[These are people] who were once enlightened [by the Gospel message], who had experienced the gift from heaven [i.e., forgiveness, never ending life, etc. See Rom. 6:23], who had partaken of the Holy Spirit [See Acts 2:38],

2 Peter 1:4

By these [blessings] He has given to us the precious and tremendous promises, so that you people may share in His divine nature, [after] having escaped the world's corruption, caused by evil desires.

Treasury of Scripture Knowledge

Summary

For if after they have escaped the pollutions of the world through the knowledge of the Lord and Saviour Jesus Christ, they are again entangled therein, and overcome, the latter end is worse with them than the beginning.

Through

The latter

Bible References

Escaped

2 Peter 2:18
[Although] their talk is big, what they say is worthless, and by [offering people] fleshly desires [i.e., sexual gratification], they lead people astray, who are barely escaping from the error of the world.
2 Peter 1:4
By these [blessings] He has given to us the precious and tremendous promises, so that you people may share in His divine nature, [after] having escaped the world's corruption, caused by evil desires.

Through

2 Peter 1:2
[May God's] unearned favor and peace be yours in abundance, through the knowledge of God and Jesus our Lord.

The latter

Philippians 3:19
Their [ultimate] end is [spiritual] destruction; their god is their appetite; they boast of what they ought to be ashamed of, and they [constantly] think about worldly things.

General references

Matthew 7:27
And the [heavy] rains came down and the flood waters rose and the winds blew and struck against that house [until] it collapsed with a terrible crash."
Luke 14:30
saying, 'This man began to build [a tower] but was not able to finish it.'
Luke 17:32
Remember [what happened to] Lot's wife!
1 Timothy 5:15
For some [young widows] have already turned away [from their commitment to God] to serve Satan.