NET

6 For God, who said “Let light shine out of darkness,” is the one who shined in our hearts to give us the light of the glorious knowledge of God in the face of Christ.

Darby

6 Because [it is] the God^D8411 who spoke that out of darkness light should shine^D8412 who has shone in our hearts for the shining forth^D8413 of the knowledge of the glory of God in [the] face of [Jesus] Christ.

Darby Bible Notes

God - Or '[it is] God.' shine - Lit. 'who spoke light to shine out of darkness.' forth - 'Shining forth,' or 'radiancy;' the same word as translated 'radiancy' in ver. 4.

KJV

6 For God, who commanded the light to shine out of darkness, hath shined in our hearts, to [give] the light of the knowledge of the glory of God in the face of Jesus Christ.

Strong's

6 For ^G3754 God^G2316, who^G3588 commanded^G2036 the light^G5457 to shine^G2989 out of^G1537 darkness^G4655, ^G3739 hath shined^G2989 in^G1722 our^G2257 hearts^G2588, to^G4314 give the light^G5462 of the knowledge^G1108 of the glory^G1391 of God^G2316 in^G1722 the face^G4383 of Jesus^G2424 Christ^G5547.