New Living Translation
But most of all, my brothers and sisters, never take an oath, by heaven or earth or anything else. Just say a simple yes or no, so that you will not sin and be condemned.

American Standard Version
But above all things, my brethren, swear not, neither by the heaven, nor by the earth, nor by any other oath: but let your yea be yea, and your nay, nay; that ye fall not under judgment.

Berean Study Bible
Above all, my brothers, do not swear, not by heaven or earth or by any other oath. Simply let your “Yes” be yes, and your “No,” no, so that you will not fall under judgment.

Douay-Rheims Bible
But above all things, my brethren, swear not, neither by heaven, nor by the earth, nor by any other oath. But let your speech be, yea, yea: no, no: that you fall not under judgment.

English Revised Version
But above all things, my brethren, swear not, neither by the heaven, nor by the earth, nor by any other oath: but let your yea be yea, and your nay, nay; that ye fall not under judgment.

King James Bible
But above all things, my brethren, swear not, neither by heaven, neither by the earth, neither by any other oath: but let your yea be yea; and your nay, nay; lest ye fall into condemnation.

World English Bible
But above all things, my brothers, don't swear, neither by heaven, nor by the earth, nor by any other oath; but let your "yes" be "yes," and your "no," "no;" so that you don't fall into hypocrisy.

Young's Literal Translation
And before all things, my brethren, do not swear, neither by the heaven, neither by the earth, neither by any other oath, and let your Yes be Yes, and the No, No; that under judgment ye may not fall.

James 5:12 Additional Translations ...