Colossians 3:10

8 But now you must put aside all such things as these: anger, rage, malice, slander, and filthy language from your lips.

9 Do not lie to one another, since you have taken off the old self with its practices,

and have put on the new self, which is being renewed in knowledge in the image of its Creator.

11 Here there is no Greek or Jew, circumcised or uncircumcised, barbarian, Scythian, slave, or free, but Christ is all and is in all.

12 Therefore, as the elect of God, holy and beloved, clothe yourselves with hearts of compassion, kindness, humility, gentleness, and patience.

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

Compare

BSB
and have put on the new self, which is being renewed in knowledge in the image of its Creator.
KJV
And have put on the new man, which is renewed in knowledge after the image of him that created him:
WEB
and have put on the new man, who is being renewed in knowledge after the image of his Creator,
ASV
and have put on the new man, that is being renewed unto knowledge after the image of him that created him:
DARBY
and having put on the new, renewed into full knowledge according to [the] image of him that has created him;
BLB
and having put on the new, the one being renewed in knowledge according to the image of the One having created him,
ÅB
og ikledd dere det nye, som fornyes til kunnskap etter sin skapers bilde;
OTB
og har ikledd dere det nye mennesket, som blir fornyet i kunnskap etter sin Skapers bilde.
B1930
og iklædd eder det nye, som fornyes til kunnskap efter sin skapers billede;

Study notes (Tyndale)

Original text and word study

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