Verses with the word itself in the New Testament (19 verses):

Matthew 6:34
Take therefore no thought for the morrow: for the morrow shall take thought for the things of itself. Sufficient unto the day is the evil thereof.

Matthew 12:25
And Jesus knew their thoughts, and said unto them, Every kingdom divided against itself is brought to desolation; and every city or house divided against itself shall not stand:

Mark 3:24
And if a kingdom be divided against itself, that kingdom cannot stand.

Mark 3:25
And if a house be divided against itself, that house cannot stand.

Luke 11:17
But he, knowing their thoughts, said unto them, Every kingdom divided against itself is brought to desolation; and a house divided against a house falleth.

John 15:4
Abide in me, and I in you. As the branch cannot bear fruit of itself, except it abide in the vine; no more can ye, except ye abide in me.

John 20:7
And the napkin, that was about his head, not lying with the linen clothes, but wrapped together in a place by itself.

John 21:25
And there are also many other things which Jesus did, the which, if they should be written every one, I suppose that even the world itself could not contain the books that should be written. Amen.

Romans 8:16
The Spirit itself beareth witness with our spirit, that we are the children of God:

Romans 8:21
Because the creature itself also shall be delivered from the bondage of corruption into the glorious liberty of the children of God.

Romans 8:26
Likewise the Spirit also helpeth our infirmities: for we know not what we should pray for as we ought: but the Spirit itself maketh intercession for us with groanings which cannot be uttered.

Romans 14:14
I know, and am persuaded by the Lord Jesus, that there is nothing unclean of itself: but to him that esteemeth any thing to be unclean, to him it is unclean.

1 Corinthians 11:14
Doth not even nature itself teach you, that, if a man have long hair, it is a shame unto him?

1 Corinthians 13:4
Charity suffereth long, and is kind; charity envieth not; charity vaunteth not itself, is not puffed up,

1 Corinthians 13:5
Doth not behave itself unseemly, seeketh not her own, is not easily provoked, thinketh no evil;

2 Corinthians 10:5
Casting down imaginations, and every high thing that exalteth itself against the knowledge of God, and bringing into captivity every thought to the obedience of Christ;

Ephesians 4:16
From whom the whole body fitly joined together and compacted by that which every joint supplieth, according to the effectual working in the measure of every part, maketh increase of the body unto the edifying of itself in love.

Hebrews 9:24
For Christ is not entered into the holy places made with hands, which are the figures of the true; but into heaven itself, now to appear in the presence of God for us:

3 John 1:12
Demetrius hath good report of all men, and of the truth itself: yea, and we also bear record; and ye know that our record is true.