New Revised Standard Version
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.

Contemporary English Version
It is never fun to be corrected. In fact, at the time it is always painful. But if we learn to obey by being corrected, we will do right and live at peace.

New American Bible
At the time, all discipline seems a cause not for joy but for pain, yet later it brings the peaceful fruit of righteousness to those who are 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.

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.

no chastening.

Psalm 89:32 I will visit their iniquities with a rod and their sins with stripes.

Psalm 118:18 The Lord chastising hath chastised me: but he hath not delivered me over to death.

Proverbs 15:10 Instruction is grievous to him that forsaketh the way of life: he that hateth reproof shall die.

Proverbs 19:18 Chastise thy son, despair not: but to the killing of him set not thy soul.

nevertheless.

Hebrews 12:5,6,10 And you have forgotten the consolation which speaketh to you, as unto children, saying: My son, neglect not the discipline of the Lord: neither be thou wearied whilst thou art rebuked by him. . . .

peaceable.

Psalm 119:165 Much peace have they that love thy law, and to them there is no stumbling block.

Isaiah 32:17 And the work of justice shall be peace, and the service of justice quietness, and security for ever.

Romans 5:3-5 And not only so: but we glory also in tribulation, knowing that tribulation worketh patience; . . .

Romans 14:17 For the kingdom of God is not meat and drink: but justice and peace and joy in the Holy Ghost.

2 Corinthians 4:17 For that which is at present momentary and light of our tribulation worketh for us above measure, exceedingly an eternal weight of glory.

Galatians 5:22,23 But the fruit of the Spirit is, charity, joy, peace, patience, benignity, goodness, longanimity, . . .

James 3:17,18 But the wisdom that is from above, first indeed is chaste, then peaceable, modest, easy to be persuaded, consenting to the good, full of mercy and good fruits, without judging, without dissimulation. . . .

exercised.

Hebrews 5:14 But strong meat is for the perfect: for them who by custom have their senses exercised to the discerning of good and evil.

1 Timothy 4:7,8 But avoid foolish and old wives fables: and exercise thyself unto godliness. . . .

2 Peter 2:14 Having eyes full of adultery and of sin that ceaseth not: alluring unstable souls: having their heart exercised with covetousness: children of malediction.

*Gr: