Ezekiel 33:18
"When the righteous turneth from his righteousness, and committeth iniquity, he shall even die thereby."
Cross References (ranked by relevance)
Hebrews 10:38
Now the just shall live by faith: but if any man draw back, my soul shall have no pleasure in him.
Ezekiel 3:20
Again, When a righteous man doth turn from his righteousness, and commit iniquity, and I lay a stumbling-block before him, he shall die: because thou hast not given him warning, he shall die in his sin, and his righteousness which he hath done shall not be remembered; but his blood will I require at thine hand.