'Light' in the Bible

but now [that extraordinary purpose and grace] has been fully disclosed and realized by us through the appearing of our Savior Christ Jesus who [through His incarnation and earthly ministry] abolished death [making it null and void] and brought life and immortality to light through the gospel,

I solemnly charge you in the presence of God and of Christ Jesus, who is to judge the living and the dead, and by His appearing and His kingdom: