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

Verses

God wants everyone to go to heaven.

1 Timothy 2:3-4 View context

For this [is] good and acceptable in the sight of God our Saviour;

Who will have all men to be saved, and to come unto the knowledge of the truth.

2 Peter 3:9 View context

The Lord is not slack concerning his promise, as some men count slackness; but is longsuffering to us-ward, not willing that any should perish, but that all should come to repentance.

God wants some to go to hell.

Proverbs 16:4 View context

The LORD hath made all [things] for himself: yea, even the wicked for the day of evil.

John 12:40 View context

He hath blinded their eyes, and hardened their heart; that they should not see with [their] eyes, nor understand with [their] heart, and be converted, and I should heal them.

Romans 9:18 View context

Therefore hath he mercy on whom he will [have mercy], and whom he will he hardeneth.

2 Thessalonians 2:11-12 View context

And for this cause God shall send them strong delusion, that they should believe a lie:

That they all might be damned who believed not the truth, but had pleasure in unrighteousness.