Now every discipline, in the present time, does not seem a gladness, of course, but a grief. But afterwards, it will repay a most peaceful fruit of justice to those who become trained in it
Other versions
King James Version
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.English Standard Version
For the moment all discipline seems painful rather than pleasant, but later it yields the peaceful fruit of righteousness to those who have been trained by it.New International Version
No discipline seems pleasant at the time, but painful. Later on, however, it produces a harvest of righteousness and peace for those who have been trained by it.