GOD'S WORD® Translation
A loner is out to get what he wants for himself. He opposes all sound reasoning.

American Standard Version
He that separateth himself seeketh his own desire, And rageth against all sound wisdom.

Berean Study Bible
He who isolates himself pursues selfish desires; he rebels against all sound judgment.

Douay-Rheims Bible
He that hath a mind to depart from a friend seeketh occasions: he shall ever be subject to reproach.

English Revised Version
He that separateth himself seeketh his own desire, and rageth against all sound wisdom.

King James Bible
Through desire a man, having separated himself, seeketh and intermeddleth with all wisdom.

World English Bible
An unfriendly man pursues selfishness, and defies all sound judgment.

Young's Literal Translation
For an object of desire he who is separated doth seek, With all wisdom he intermeddleth.

Proverbs 18:1 Additional Translations ...