2 Peter 1:12

Therefore, I intend to constantly remind you people about these things [i.e., those mentioned in verses 5-11], even though you [already] know them, and have been established in the truth you now possess.

Philippians 3:1

Finally, my brothers, rejoice in [your relationship to] the Lord. It does not trouble me to write the same things to you again, because you will be safer if I do. [Note: These "same things" may refer to warnings against false teachers which Paul had either spoken to them or written about previously].

1 John 2:21

I did not write to you people because you are ignorant of the truth [about these matters], but because you do know it, and because nothing false belongs to the true teaching.

Jude 1:5

But, I want to remind you, [even] though you already know the stories about how the Lord delivered His people from Egyptian [bondage], and then [later] destroyed those who did not believe [in Him].

Romans 15:14-15

And I, myself, am convinced about you, my brothers, that you yourselves are full of goodness, and have been filled with all kinds of knowledge and are capable of counseling one another.

Acts 16:5

So, the churches [of the region] were being [spiritually] strengthened in the faith and grew in number daily.

Colossians 2:7

rooted and built up in [your relationship to] Him, established by your faith [or, "in the faith"], just as you were taught, overflowing with thanksgiving.

1 Timothy 4:6

If you point out these things to the brothers you will be a good minister of Christ Jesus, and will be nurtured by the message of the faith and of the good teaching which you have been following.

2 Timothy 1:6

The reason I am reminding you [of these things] is so that you will rekindle the gift from God, which is in your life through the laying on my hands. [Note: This "gift" was probably his ordination to serve as an evangelist (See 4:1-5), and in addition, may have included a supernatural "spiritual gift" bestowed by the apostle Paul].

Hebrews 10:32

But remember the earlier days when, after you were enlightened [to the truth], you endured a difficult struggle by having to suffer [much].

Hebrews 13:9

Do not continue to be swept off your course by all kinds of strange teachings. For it is good for your hearts to be strengthened by God's unearned favor [upon you] and not by [keeping regulations about] foods, which do not benefit those who observe them.

1 Peter 5:10

And the God who bestows every unearned favor [upon His people], who invited you to partake of His eternal splendor through Christ Jesus, will restore, confirm, strengthen and stabilize you people [in the faith], after you have gone through a brief time of suffering.

1 Peter 5:12

This brief message is being inscribed [or delivered] by Silvanus, whom I consider to be a faithful brother. [In it] I am exhorting you and giving testimony that it is a message about God's genuine unearned favor upon you. So, continue to follow [and obey] what it says.

2 Peter 1:13

But I consider it the right thing to do, as long as I am in this "tent" [Note: This is an allusion to his still being alive], to stir up your memory [of these things],

2 Peter 1:15

And I will make every effort to see that, after I leave [i.e., die], you will always be able to recall the things [I said to you].

2 Peter 3:1

This is now, my dearly loved ones, the second letter I am writing to you; in both of them, as a reminder, I want to stir up your sincere thoughts

2 Peter 3:17

Therefore, dearly loved ones, since you know about these things ahead of time, be on your guard so that you are not led astray by the error of lawless people, and [thus] fall from your own stability [i.e., your safe or secure position in Christ].

2 John 1:2

[We all love you] because of the truth which continues to live in our hearts and will be with us forever.

Jude 1:3

Dearly loved ones, as I was very eagerly planning to write to you about the salvation we share in common, I felt it necessary [instead] to write urging you to contend earnestly for the faith [i.e., the teaching of Christ] which was once and for all delivered [by the apostles, See verse 17] to the saints [i.e., God's holy people].

Jude 1:17

But you dearly loved ones, you should remember the message that was previously told to you by the apostles of our Lord Jesus Christ,

Treasury of Scripture Knowledge

Summary

Wherefore I will not be negligent to put you always in remembrance of these things, though ye know them, and be established in the present truth.

Bible References

I will not

2 Peter 1:13
But I consider it the right thing to do, as long as I am in this "tent" [Note: This is an allusion to his still being alive], to stir up your memory [of these things],
2 Peter 3:1
This is now, my dearly loved ones, the second letter I am writing to you; in both of them, as a reminder, I want to stir up your sincere thoughts
Romans 15:14
And I, myself, am convinced about you, my brothers, that you yourselves are full of goodness, and have been filled with all kinds of knowledge and are capable of counseling one another.
Philippians 3:1
Finally, my brothers, rejoice in [your relationship to] the Lord. It does not trouble me to write the same things to you again, because you will be safer if I do. [Note: These "same things" may refer to warnings against false teachers which Paul had either spoken to them or written about previously].
1 Timothy 4:6
If you point out these things to the brothers you will be a good minister of Christ Jesus, and will be nurtured by the message of the faith and of the good teaching which you have been following.
2 Timothy 1:6
The reason I am reminding you [of these things] is so that you will rekindle the gift from God, which is in your life through the laying on my hands. [Note: This "gift" was probably his ordination to serve as an evangelist (See 4:1-5), and in addition, may have included a supernatural "spiritual gift" bestowed by the apostle Paul].
Hebrews 10:32
But remember the earlier days when, after you were enlightened [to the truth], you endured a difficult struggle by having to suffer [much].
Jude 1:3
Dearly loved ones, as I was very eagerly planning to write to you about the salvation we share in common, I felt it necessary [instead] to write urging you to contend earnestly for the faith [i.e., the teaching of Christ] which was once and for all delivered [by the apostles, See verse 17] to the saints [i.e., God's holy people].

Though

1 John 2:21
I did not write to you people because you are ignorant of the truth [about these matters], but because you do know it, and because nothing false belongs to the true teaching.
Jude 1:5
But, I want to remind you, [even] though you already know the stories about how the Lord delivered His people from Egyptian [bondage], and then [later] destroyed those who did not believe [in Him].

And be

2 Peter 3:17
Therefore, dearly loved ones, since you know about these things ahead of time, be on your guard so that you are not led astray by the error of lawless people, and [thus] fall from your own stability [i.e., your safe or secure position in Christ].
Acts 16:5
So, the churches [of the region] were being [spiritually] strengthened in the faith and grew in number daily.
Colossians 2:7
rooted and built up in [your relationship to] Him, established by your faith [or, "in the faith"], just as you were taught, overflowing with thanksgiving.
Hebrews 13:9
Do not continue to be swept off your course by all kinds of strange teachings. For it is good for your hearts to be strengthened by God's unearned favor [upon you] and not by [keeping regulations about] foods, which do not benefit those who observe them.
1 Peter 5:10
And the God who bestows every unearned favor [upon His people], who invited you to partake of His eternal splendor through Christ Jesus, will restore, confirm, strengthen and stabilize you people [in the faith], after you have gone through a brief time of suffering.