2 Corinthians 8:8

8:8 I am not saying this as a command, but I am testing the genuineness of your love by comparison with the eagerness of others.

2 Corinthians 4:6

4:6 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.