'Conscience' in the Bible

For this is acceptable, if one, for conscience sake towards God, endure griefs, suffering unjustly.

having a good conscience, that as to that in which they speak against you as evildoers, they may be ashamed who calumniate your good conversation in Christ.

which figure also now saves you, even baptism, not a putting away of the filth of flesh, but the demand as before God of a good conscience, by the resurrection of Jesus Christ,