2 Peter 1:12

Wherefore, I will not neglect to put you always in remembrance of these things, although you know, and are established in the present truth.

1 John 2:21

I have not written to you because you know not the truth, but because you know it, and that no lie is of the truth.

Jude 1:5

I will therefore put you in remembrance, though you formerly knew this, that the Lord, having saved the people out of the land of Egypt, afterward destroyed them who did not believe.

1 Peter 5:10

And may the God of all favor, who has called us to his eternal glory, by Christ Jesus, after you have suffered a little, himself make you complete; support, strengthen, establish you:

1 Peter 5:12

By Sylvanus, a faithful brother, (as I conclude,) I have written to you in few words, exhorting you, and strongly testifying that this is the true favor of God, in which you stand.

2 Peter 1:13

Yes, I think it fit, as long as I am in this tabernacle, to stir you up, by putting you in remembrance;

2 Peter 1:15

Therefore, I will carefully endeavor that you may be able, after my decease, to have these things always in remembrance.

2 Peter 3:1

Beloved, this second epistle I now write to you, in which epistles I stir up your sincere mind to remembrance:

2 Peter 3:17

Therefore, beloved, foreknowing these things, be on your guard; lest being also carried away by the deceit of the lawless, you fall from your own steadfastness.

2 John 1:2

for the truth's sake, which is in us, and shall be with us forever:

Jude 1:3

Beloved, making all haste to write to you, concerning the common salvation, I thought it necessary to write to you, exhorting you to contend earnestly for the faith formerly delivered to the saints.

Jude 1:17

But, beloved, remember the words which were spoken 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
Yes, I think it fit, as long as I am in this tabernacle, to stir you up, by putting you in remembrance;
2 Peter 3:1
Beloved, this second epistle I now write to you, in which epistles I stir up your sincere mind to remembrance:
Jude 1:3
Beloved, making all haste to write to you, concerning the common salvation, I thought it necessary to write to you, exhorting you to contend earnestly for the faith formerly delivered to the saints.

Though

1 John 2:21
I have not written to you because you know not the truth, but because you know it, and that no lie is of the truth.
Jude 1:5
I will therefore put you in remembrance, though you formerly knew this, that the Lord, having saved the people out of the land of Egypt, afterward destroyed them who did not believe.

And be

2 Peter 3:17
Therefore, beloved, foreknowing these things, be on your guard; lest being also carried away by the deceit of the lawless, you fall from your own steadfastness.
1 Peter 5:10
And may the God of all favor, who has called us to his eternal glory, by Christ Jesus, after you have suffered a little, himself make you complete; support, strengthen, establish you: