What Is a Conscience?

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What exactly is a conscience? How did we get one? How does it operate? Why does the Bible place a great value upon protecting and maintaining one that is clean?

How can a conscience be changed? What does it take to defile or suppress it? What does the Apostle Paul mean when he warns that some people have "cauterized with a hot iron" (1Timothy 4:2, HBFV throughout) their conscience?

The English word "conscience" is used thirty-one times in the KJV New Testament. It comes from the Greek suneidesis (Strong's Concordance #G4893), which means "moral consciousness" (Strong's) or the moral voice in humans that helps us distinguish between what is good and bad and prompts us to do what is right and reject the wrong (Thayer's Greek Definitions).

A clean heart not only can guide us as it relates to something in the present, it can also convict us of something we did wrong in the past.

God has placed, in each human, a basic comprehension of what is fundamentally right and wrong. He has given it to us to guide, but not override, our actions. A conscience has the ability to lead people, even those who oppose the Gospel, to do what is right (John 8:3 - 9).

The Apostle Paul confirms the fact that humans who never directly received God's commandments, like the Gentiles, still possess a basic intrinsic moral code or law that judges what they do (Romans 2:14 - 15).

The conscience each of us possesses is not static. It can be changed by altering the rules (beliefs and principles) under which it operates. We have the power to defile it (1Corinthians 8:7, Titus 1:15), suppress it or even get rid of it entirely (1Timothy 4:2).

Christians can have a conscience that is strong or weak based upon their understanding of God's truth (1Corinthians 8:4, 7, 9 - 12). Those who have one which is weak can have it educated and strengthened to more fully reflect the Father's will (Philippians 3:15).

Paul considered a clean conscience, even among those new in the faith, to be an essential part of being a Christian. He admonishes those who have a greater understanding of the truth to be concerned, out of love, about how some of their actions might adversely affect "weaker" believers. The apostle emphatically states that it is a sin to lead others to defile theirs (meaning to go against it and bring guilt), as well as going against the one we have (see 1Corinthians 8, 10:27 - 32).

Maintaining a good conscience is important to all believers, especially to those who are active in God's work (1Timothy 1:18 - 19). This is why Christians are commanded to obey (as long as it is not against God's will) the civil authorities they live under (Romans 13:1 - 5). Those who do good with a clean heart, yet are unjustly persecuted and accused of evil, receive praise from the Father (1Peter 2:19 - 21, 3:16 - 17).

It should be noted that one of the primary differences between the Old and New Covenants is that the Old could not make a person's heart clean before the Eternal. It is only under the New Covenant, made possible by Christ's shed blood, that our hearts can be purged of guilt (Hebrews 9:9, 14, 10:4, 11, 22).

Those who apostatize from the faith and begin to spread lies can do so because their consciences have been "cauterized (burned or seared) with a hot iron" (1Timothy 4:2). Clearly, a person can defile and work against their innermost belief system to such an extent that it no longer functions as a gauge of right and wrong.

Before I can live with other folks
I've got to live with myself.
The one thing that doesn't abide by
majority rule is a person's conscience.
Harper Lee

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