Berean Study Bible
but test all things. Hold fast to what is good.

King James Bible
Prove all things; hold fast that which is good.

American Standard Version
prove all things; hold fast that which is good;

Darby Bible Translation
but prove all things, hold fast the right;

Douay-Rheims Bible
But prove all things; hold fast that which is good.

English Revised Version
prove all things; hold fast that which is good;

Young's Literal Translation
all things prove; that which is good hold fast;