2 Peter 2:20

For if after they have escaped the pollutions of the world, thro the knowledge of the Lord and Saviour Jesus Christ, they are again intangled therein and overcome, their last state is worse then the first.

2 Peter 1:2

Grace and peace be multiplied unto you, thro' the knowledge of God, and of Jesus, our Lord;

2 Peter 2:18

For by speaking swelling words of vanity, they allure thro' the desire of the flesh, thro' wantonness, those that were clean escaped from them that live in error.

Hebrews 10:26-27

For when we sin wilfully after receiving the knowledge of the truth, there remaineth no more sacrifice for sins,

Matthew 12:43-45

When the unclean spirit is gone out of a man, he walketh thro' dry places, seeking rest, and findeth none.

Luke 11:24-26

When the unclean spirit is gone out of a man, he walketh thro' dry places, seeking rest: and finding none, he saith, I will return to my house whence I came out.

Philippians 3:19

whose god is their belly, and whose glory is in their shame;

Hebrews 6:4-8

For it is impossible for those who were once inlightened, and have tasted the heavenly gift, and been made partakers of the Holy Ghost,

2 Peter 1:4

By which he hath given us exceeding great and precious promises, that by these, having escaped the corruption which is in the world thro' desire, ye may become partakers of the divine nature:

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
For by speaking swelling words of vanity, they allure thro' the desire of the flesh, thro' wantonness, those that were clean escaped from them that live in error.
2 Peter 1:4
By which he hath given us exceeding great and precious promises, that by these, having escaped the corruption which is in the world thro' desire, ye may become partakers of the divine nature:

Through

2 Peter 1:2
Grace and peace be multiplied unto you, thro' the knowledge of God, and of Jesus, our Lord;

The latter

Philippians 3:19
whose god is their belly, and whose glory is in their shame;

General references

Matthew 7:27
And the rain descended, and the floods came, and the winds blew, and beat on that house; and it fell, and great was the fall of it.
Luke 14:30
saying, This man began to build, and was not able to finish.
Luke 17:32
Remember Lot's wife. Whosoever shall seek to save his life,
1 Timothy 5:15
For some are already turned aside after Satan.