What does it mean to have a clear conscience before God?

In 2 Timothy 1:3, Paul speaks of serving God with a pure conscience, which signifies the believer's understanding that their sins have been fully atoned for by the sacrifice of Jesus. This purity in conscience is not the absence of sin but the recognition of God's grace and forgiveness. Hebrews 10:22 speaks of drawing near with a true heart in full assurance of faith, indicating that through faith in Christ, believers can approach God confidently. A clear conscience allows Christians to serve God fully, free from guilt and fear, as they rest in the finished work of Christ.