Romans 3:7
"For if the truth of God hath more abounded through my lie unto his glory; why yet am I also judged as a sinner?"
Cross References (ranked by relevance)
Romans 3:4
God forbid: yea, let God be true, but every man a liar; as it is written, That thou mightest be justified in thy sayings, and mightest overcome when thou art judged.
Matthew 26:34
Jesus said unto him, Verily I say unto thee, That this night, before the cock crow, thou shalt deny me thrice.