New Revised Standard Version
Those who ignore instruction despise themselves, but those who heed admonition gain understanding.

Contemporary English Version
You hurt only yourself by rejecting instruction, but it makes good sense to accept it.

New American Bible
Those who disregard discipline hate themselves, but those who heed reproof acquire understanding.

Douay-Rheims Bible
He that rejecteth instruction, despiseth his own soul: but he that yieldeth to reproof, possesseth understanding.

He that rejecteth instruction, despiseth his own soul: but he that yieldeth to reproof, possesseth understanding.

refuseth

Proverbs 1:24 You have despised all my counsel, and have neglected my reprehensions.

Proverbs 5:11,12 Why have I hated instruction, and my heart consented not to reproof, . . .

Proverbs 8:33-36 Blessed is the man that heareth me, and that watcheth daily at my gates, and waiteth at the posts of my doors. . . .

Psalm 50:17 Seeing thou hast hated discipline: and hast cast my words behind thee.

Hebrews 12:15 Looking diligently, lest any man be wanting to the grace of God: lest any root of bitterness springing up do hinder and by it many be defiled:

instruction or correction

Proverbs 29:1 The man that with a stiff neck despiseth him that reproveth him, shall suddenly be destroyed: and health shall not follow him.

Isaiah 1:5 For what shall I strike you any more, you that increase transgression? the whole head is sick, and the whole heart is sad.

Jeremiah 5:3 O Lord, thy eyes are upon truth: thou hast struck them, and they have not grieved: thou hast bruised them, and they have refused to receive correction: they have made their faces harder than the rock, and they have refused to return.

Ezekiel 24:13,14 Thy uncleanness is execrable: because I desired to cleanse thee, and thou art not cleansed from thy filthiness: neither shalt thou be cleansed, before I cause my indignation to rest in thee. . . .

heareth

Proverbs 5:13 I have almost been in all evil, in the midst of the church and of the congregation.

Deuteronomy 21:18,20 If a man have a stubborn and unruly son, who will not hear the commandments of his father or mother, and being corrected, slighteth obedience: . . .

Matthew 7:24-27 Every one therefore that heareth these my words, and doth them, shall be likened to a wise man that built his house upon a rock, . . .

James 1:22 But be ye doers of the word and not hearers only, deceiving your own selves.

Revelation 3:19 Such as I love, I rebuke and chastise. Be zealous therefore and do penance.

getteth understanding

Proverbs 15:14,21 The heart of the wise seeketh instruction: and the mouth of fools feedeth on foolishness. . . .

Proverbs 17:16 What doth it avail a fool to have riches, seeing he cannot buy wisdom? He that maketh his house high, seeketh a downfall: and he that refuseth to learn, shall fall into evils.

Proverbs 18:15 A wise heart shall acquire knowledge: and the ear of the wise seeketh instruction.