American Standard Version
All chastening seemeth for the present to be not joyous but grievous; yet afterward it yieldeth peaceable fruit unto them that have been exercised thereby, even the fruit of righteousness.

Berean Study Bible
No discipline seems enjoyable at the time, but painful. Later on, however, it yields a harvest of righteousness and peace to those who have been trained by it.

Douay-Rheims Bible
Now all chastisement for the present indeed seemeth not to bring with it joy, but sorrow: but afterwards it will yield, to them that are exercised by it, the most peaceable fruit of justice.

English Revised Version
All chastening seemeth for the present to be not joyous, but grievous: yet afterward it yieldeth peaceable fruit unto them that have been exercised thereby, even the fruit of righteousness.

King James Bible
Now no chastening for the present seemeth to be joyous, but grievous: nevertheless afterward it yieldeth the peaceable fruit of righteousness unto them which are exercised thereby.

World English Bible
All chastening seems for the present to be not joyous but grievous; yet afterward it yields the peaceful fruit of righteousness to those who have been exercised thereby.

Young's Literal Translation
and all chastening for the present, indeed, doth not seem to be of joy, but of sorrow, yet afterward the peaceable fruit of righteousness to those exercised through it -- it doth yield.

Hebrews 12:11 Additional Translations ...