Berean Study Bible
Beloved, do not let this one thing escape your notice: With the Lord a day is like a thousand years, and a thousand years are like a day.

King James Bible
But, beloved, be not ignorant of this one thing, that one day is with the Lord as a thousand years, and a thousand years as one day.

American Standard Version
But forget not this one thing, beloved, that one day is with the Lord as a thousand years, and a thousand years as one day.

Darby Bible Translation
But let not this one thing be hidden from you, beloved, that one day with [the] Lord [is] as a thousand years, and a thousand years as one day.

Douay-Rheims Bible
But of this one thing be not ignorant, my beloved, that one day with the Lord is as a thousand years, and a thousand years as one day.

English Revised Version
But forget not this one thing, beloved, that one day is with the Lord as a thousand years, and a thousand years as one day.

Young's Literal Translation
And this one thing let not be unobserved by you, beloved, that one day with the Lord is as a thousand years, and a thousand years as one day;