Berean Study Bible
But if anyone ignores this, he himself will be ignored.

King James Bible
But if any man be ignorant, let him be ignorant.

American Standard Version
But if any man is ignorant, let him be ignorant.

Darby Bible Translation
But if any be ignorant, let him be ignorant.

Douay-Rheims Bible
But if any man know not, he shall not be known.

English Revised Version
But if any man is ignorant, let him be ignorant.

Young's Literal Translation
and if any one is ignorant -- let him be ignorant;