13 For if the blood of goats and bulls, and the ashes of a heifer sprinkling those who have been defiled, sanctify for the cleansing of the flesh,
14 how much more will the blood of Christ, who through the eternal Spirit offered Himself without blemish to God, cleanse your conscience from dead works to serve the living God?
Hebrews 9:13-14
To have a guilty conscience is an experience. Psychologists may define it as a guilt complex and may seek to rationalize away the sense of guilt; but once this has been awakened through the application of the law of God, no explanation will quiet the insistent voice of conscience. Many a criminal has finally given himself over to the authorities because the accusations of a guilty conscience were worse than prison bars. The Bible teaches that Christ cleanses the conscience. To have a guilty conscience cleansed and to be free from its constant accusation is an experience, but it is not the cleansing of the conscience that saves you; it is faith in Christ that saves, and a cleansed conscience is the result of having come into the right relationship with God.