NET
12 And above all, my brothers and sisters, do not swear, either by heaven or by earth or by any other oath. But let your “Yes” be yes and your “No” be no, so that you may not fall into judgment.
Darby
12 But before all things, my brethren, swear not, neither by heaven, nor by the earth, nor by any other oath; but let your yea be yea, and your nay, nay, that ye do not fall under judgment.
KJV
12 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.