Hebrews 6:1
Therefore leaving the principles of the doctrine of Christ, let us go on to perfection; not laying again the foundation of repentance from dead works, and of faith toward God,
Torrey's Topical Textbook—AKJV

Hebrews 9:14
How much more shall the blood of Christ, who through the eternal Spirit offered himself without spot to God, purge your conscience from dead works to serve the living God?
Torrey's Topical Textbook—AKJV