New International Version
If you are not disciplined--and everyone undergoes discipline--then you are not legitimate, not true sons and daughters at all.

American Standard Version
But if ye are without chastening, whereof all have been made partakers, then are ye bastards, and not sons.

Berean Study Bible
If you do not experience discipline like everyone else, then you are illegitimate children and not true sons.

Douay-Rheims Bible
But if you be without chastisement, whereof all are made partakers, then are you bastards, and not sons.

English Revised Version
But if ye are without chastening, whereof all have been made partakers, then are ye bastards, and not sons.

King James Bible
But if ye be without chastisement, whereof all are partakers, then are ye bastards, and not sons.

World English Bible
But if you are without discipline, of which all have been made partakers, then are you illegitimate, and not children.

Young's Literal Translation
and if ye are apart from chastening, of which all have become partakers, then bastards are ye, and not sons.

Hebrews 12:8 Additional Translations ...