Our conscience is that voice inside us that convicts us when we do something wrong, like tell a lie or hurt another person. For those who believe in evolution, I think the conscience is a bit difficult to explain. It is not an organ that developed over time. The strange thing about our conscience is that it is clearly in tune with the morals expressed in the Bible.
Can the conscience be trained? Or untrained? Persistent disobedience will decrease the sensitivity of the conscience. When someone has no remorse after committing a hideous crime, we question their mental wellness. We lock them up to prevent them from re-offending. They are a threat to society.
When a person decides that Jesus is truly who he claimed to be–God’s son who has the power to forgive sins–and asks to be forgiven of his sins, choosing to live in obedience to Christ, that person will experience a change. This change is so remarkable it has been compared to a new birth. The conscience that was guilt-ridden is suddenly free of this miserable condition. The fear of punishment and condemnation is gone.
In Hebrew 13 the writer asks for prayer for a clear conscience and the ability to “act honourably in all things.” After experiencing forgiveness there is a renewed sensitivity to those things which bring guilt and shame. It becomes our goal to “act honourably in all things” to avoid returning to our former condition.
A clear conscience is a coveted state of peace with God, available to all who desire it. In fact, God is willing to help us maintain a clear conscience. He will “equip you with everything good that you may do his will, working in us that which is pleasing in his sight, through Jesus Christ” (v. 21).