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

Verses

Yes.

Psalm 18:30 View context

[As for] God, his way [is] perfect: the word of the LORD is tried: he [is] a buckler to all those that trust in him.

Psalm 19:7 View context

The law of the LORD [is] perfect, converting the soul: the testimony of the LORD [is] sure, making wise the simple.

No.

Hebrews 8:6-7 View context

But now hath he obtained a more excellent ministry, by how much also he is the mediator of a better covenant, which was established upon better promises.

For if that first [covenant] had been faultless, then should no place have been sought for the second.