Indifference Toward Unbelievers: Why does Paul sound indifferent toward those who don't believe? [2 Corinthians 4:3, 2 Corinthians 3:14-16, John 3:19]. The Veil Blinding Unbelievers: Can the veil that blinds unbelievers eyes ever be removed? [2 Corinthians 4:3, 2 Corinthians 3:16].