God: "I looked for someone to take a stand for me, and stand in the gap" (Ezekiel 22:30)
Your conscience works off your belief system. [So] the more you know about the Word of God, the more you're consistently in the Word of God, learning the Word of God, hearing the Word of God, meditating on the Word of God, the more informed your conscience is truly informed.
Once it was God's holiness that separated us from God, the holiness of His being. Now it is God's holiness that brings us to God, the holiness of the perfect sacrifice Jesus offered for our sins on the cross. God displayed His holiness by making us holy through His holy son.