Ephesians 5:8

⁶ Let no one deceive you with empty words, for because of such things the wrath of God is coming on the sons of disobedience.

⁷ Therefore do not be partakers with them.

For you were once darkness, but now you are light in the Lord. Walk as children of light,

⁹ for the fruit of the light consists in all goodness, righteousness, and truth.

¹⁰ Test and prove what pleases the Lord.

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: For you were once darkness, but now you are light in the Lord. Walk as children of light,
KJV: For ye were sometimes darkness, but now are ye light in the Lord: walk as children of light:
WEB: For you were once darkness, but are now light in the Lord. Walk as children of light,
ASV: For ye were once darkness, but are now light in the Lord: walk as children of light
DARBY: for ye were once darkness, but now light in [the] Lord; walk as children of light,
BLB: For you⁺ were once darkness, but now [you are] light in the Lord. Walk as children of light—

ÅB: For dere var før i tiden mørke, men nå er dere lys i Herren; vandre som lysets barn -
OTB: for dere var en gang i mørket, men nå er dere lys i Herren. Lev som lysets barn,
B1930: For I var fordum mørke, men nu er I lys i Herren; vandre som lysets barn -

John 8:12
Once again, Jesus spoke to the people and said, “I am the light of the world. Whoever follows Me will never walk in the darkness, but will have the light of life.”
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1 John 1:7
But if we walk in the light as He is in the light, we have fellowship with one another, and the blood of Jesus His Son cleanses us from all sin.
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John 12:46
I have come into the world as a light, so that no one who believes in Me should remain in darkness.
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Acts 26:18
to open their eyes, so that they may turn from darkness to light and from the power of Satan to God, that they may receive forgiveness of sins and an inheritance among those sanctified by faith in Me.’
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Colossians 1:13
He has rescued us from the dominion of darkness and brought us into the kingdom of His beloved Son,
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1 Peter 2:9–11
But you are a chosen people, a royal priesthood, a holy nation, a people for God’s own possession, to proclaim the virtues of Him who called you out of darkness into His marvelous light.
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Isaiah 42:6–7
“I, the LORD, have called you for a righteous purpose, and I will take hold of your hand. I will keep you and appoint you to be a covenant for the people and a light to the nations,
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Ephesians 4:18
They are darkened in their understanding and alienated from the life of God because of the ignorance that is in them due to the hardness of their hearts.
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