'Consciences' in the Bible

They show that the work of the law is written on their hearts. Their consciences confirm this. Their competing thoughts will either accuse or excuse them

However, not all [believers] have this knowledge. But some, being accustomed [throughout their lives] to [thinking of] the idol until now [as real and living], still eat food as if it were sacrificed to an idol; and because their conscience is weak, it is defiled (guilty, ashamed).

When you sin against your brothers in this way and wound their weak consciences, you are sinning against the Messiah.

Knowing therefore the terror of the Lord, we persuade men; but we are made manifest unto God; and I trust also are made manifest in your consciences.

with faith and a good conscience. By ignoring their consciences, some people have destroyed their faith like a wrecked ship.

They must hold firmly to the secret of the faith with clear consciences.

through the hypocrisy of liars whose consciences are seared.

Everything is clean to those who are clean, but nothing is clean to those who are corrupt and unbelieving. Indeed, their very way of thinking and their consciences have been corrupted.

how much more will the blood of the Messiah, who through the eternal Spirit offered Himself without blemish to God, cleanse our consciences from dead works to serve the living God?

For then would not the sacrifices have ceased to be offered, because the consciences of the worshippers--who in that case would now have been cleansed once for all--would no longer be burdened with sins?

let us draw near with sincerity and unfaltering faith, having had our hearts sprinkled, once for all, from consciences oppressed with sin, and our bodies bathed in pure water.

Keep on praying for us; for we are sure that we have clear consciences, and we desire to live nobly in every respect.

Yet argue modestly and cautiously, keeping your consciences free from guilt, so that, when you are spoken against, those who slander your good Christian lives may be put to shame.

And in this way we shall come to know that we are loyal to the truth, and shall satisfy our consciences in His presence

whenever our heart convicts us [in guilt]; for God is greater than our heart and He knows all things [nothing is hidden from Him because we are in His hands].

Beloved, if our heart does not convict us [of guilt], we have confidence [complete assurance and boldness] before God;