Multi-Translation Layout:
11 Now no chastening seems to be joyful for the present, but painful; nevertheless, afterward it yields the peaceable fruit of righteousness to those who have been trained by it.
11 Now, discipline always seems painful rather than pleasant at the time, but later it yields the peaceful fruit of righteousness to those who have been trained by it.
11 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.
11 At the time, discipline isn't much fun. It always feels like it's going against the grain. Later, of course, it pays off handsomely, for it's the well-trained who find themselves mature in their relationship with God.