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

Verses

God is warlike

Exodus 15:3 View context

The LORD [is] a man of war: the LORD [is] his name.

Psalm 18:34 View context

He teacheth my hands to war, so that a bow of steel is broken by mine arms.

Psalm 144:1 View context

Blessed [be] the LORD my strength, which teacheth my hands to war, [and] my fingers to fight:

God is peaceful

Romans 15:33 View context

Now the God of peace [be] with you all. Amen.

1 Corinthians 14:33 View context

For God is not [the author] of confusion, but of peace, as in all churches of the saints.

2 Corinthians 13:11 View context

Finally, brethren, farewell. Be perfect, be of good comfort, be of one mind, live in peace; and the God of love and peace shall be with you.

2 Thessalonians 3:16 View context

Now the Lord of peace himself give you peace always by all means. The Lord [be] with you all.

Hebrews 13:20 View context

Now the God of peace, that brought again from the dead our Lord Jesus, that great shepherd of the sheep, through the blood of the everlasting covenant,