Repentance is needed once the root problem is revealed

Key verses from God’s word

Ephesians 4:16 (RSV)
16 from whom the whole body, joined and knit together by every joint with which it is supplied, when each part is working properly, makes bodily growth and upbuilds itself in love.

Ephesians 4:16 (TEV)
16 Under his control all the different parts of the body fit together, and the whole body is held together by every joint with which it is provided. So when each separate part works as it should, the whole body grows and builds itself up through love.

2 Timothy 2:20-21 (MSG)
20 In a well-furnished kitchen there are not only crystal goblets and silver platters, but waste cans and compost buckets—some containers used to serve fine meals, others to take out the garbage.

21 Become the kind of container God can use to present any and every kind of gift to his guests for their blessing.

Consider this God-fearing verse. (Two translations)

Revelation 3:16 (RSV)
16 So, because you are lukewarm, and neither cold nor hot, I will spew you out of my mouth.

Revelation 3:16 (MSG)
16 You're stale. You're stagnant. You make me want to vomit.

Proverbs 19:3 (MSG)
3 People ruin their lives by their own stupidity, so why does GOD always get blamed?

Proverbs 19:3 (TLB)
3 A man may ruin his chances by his own foolishness and then blame it on the Lord!

When a person is mature they will work effectively for the kingdom.

Colossians 1:28-29 (RSV)
28 Him we proclaim, warning every man and teaching every man in all wisdom, that we may present every man mature in Christ.
29 For this I toil, striving with all the energy which he mightily inspires within me.