Regarding the tares, have you met some people who say they are believers but don't seem to be? Where do they come from? [Matthew 13:24-43, Matthew 7:21, 1 John 2:4].
Caller postulates that we no longer have to do good works. [1 John 2:4, Titus 1:16, Galatians 5:6, Ephesians 2:8-10, Titus 2:14, Romans 2:17-24, 1 Corinthians 6:9, Matthew 28:19, Mark 16:15, Matthew 7:21-26, Romans 2:8].
What scriptures can I share with my 30-year-old son, who says he is a Christian, but he lives in sin? [Hebrews 10:14, Matthew 7:21, Romans 6:15ff, 1 John 2:3-4].
Is the "righteousness" in the Old Testament different than the kind of "righteousness" we experience in the New Testament? [Ezekiel 18:21-24, Job 31:1, Deuteronomy 10:16, 1 John 2:4, 1 John 3:7].
Could you clarify the seeming contradiction between the verses that say we are saved by grace, but justified by works? [Ephesians 2:8-9, James 2:24, James 2:19, Galatians 5:6, 1 John 2:4, 1 John 3:7, Titus 2:14, Luke 6:45-46, Matthew 7:21].
Should we not help those who "live like the devil" all week, but do know God, learn to live better? [1John 2:4, Matthew 7:21-23, 2 Corinthians 13:5, Acts 17:11].
How can we judge and assess the differences between obedience, legalism and grace? [2 John 9, 2 Corinthians 3:17, John 1:14-16, 2 Peters 1:4, Titus 2:11-12, Matthew 7:24-27, I John 2:4, 2 Corinthians 10:5, Acts 5:32, I John 2:4, Hebrews 5:9].