21 but (A)test everything; hold fast what is good.
21 Prove all things; hold fast that which is good.
21 (A)Test all things; (B)hold fast what is good.
The Holy Bible, English Standard Version. ESV® Text Edition: 2016. Copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.
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Scripture taken from the New King James Version®. Copyright © 1982 by Thomas Nelson. Used by permission. All rights reserved.