GOD'S WORD® Translation
It isn't the person who makes his own recommendation who receives approval, but the person whom the Lord recommends.

American Standard Version
For not he that commendeth himself is approved, but whom the Lord commendeth.

Berean Study Bible
For it is not the one who commends himself who is approved, but the one whom the Lord commends.

Douay-Rheims Bible
For not he who commendeth himself, is approved, but he, whom God commendeth.

English Revised Version
For not he that commendeth himself is approved, but whom the Lord commendeth.

King James Bible
For not he that commendeth himself is approved, but whom the Lord commendeth.

World English Bible
For it isn't he who commends himself who is approved, but whom the Lord commends.

Young's Literal Translation
for not he who is commending himself is approved, but he whom the Lord doth commend.

2 Corinthians 10:18 Additional Translations ...