This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

Yes

Luke 1:6 View context

And they were both righteous before God, walking in all the commandments and ordinances of the Lord blameless.

No

Galatians 2:21 View context

I do not frustrate the grace of God: for if righteousness [come] by the law, then Christ is dead in vain.