John 17:3
And this is eternal life, that they may know you, the only true God, and Jesus Christ whom you have sent.
2 Corinthians 4:6
For it is the God who said, "Let light shine out of darkness," who has shone in our hearts to give the light of the knowledge of the glory of God in the face of Christ.
Philippians 3:8
More than that, I count everything to be loss because of the surpassing worth of knowing Christ Jesus my Lord. For his sake I have suffered the loss of all things, and count them as rubbish, in order that I may gain Christ
2 Timothy 4:2
preach the word; be ready in season and out of season; correct, rebuke, and exhort, with great patience and instruction.