NASB 1995
And I will also be diligent that at any time after my departure you will be able to call these things to mind.

American Standard Version
Yea, I will give diligence that at every time ye may be able after my decease to call these things to remembrance.

Berean Study Bible
And I will make every effort to ensure that after my departure, you will be able to recall these things at all times.

Douay-Rheims Bible
And I will endeavour, that you frequently have after my decease, whereby you may keep a memory of these things.

English Revised Version
Yea, I will give diligence that at every time ye may be able after my decease to call these things to remembrance.

King James Bible
Moreover I will endeavour that ye may be able after my decease to have these things always in remembrance.

World English Bible
Yes, I will make every effort that you may always be able to remember these things even after my departure.

Young's Literal Translation
and I will be diligent that also at every time ye have, after my outgoing, power to make to yourselves the remembrance of these things.

2 Peter 1:15 Additional Translations ...