But as many as received him, to them gave he power to become the sons of God, even to them that believe on his name:
John 1:12
Behold, what manner of love the Father hath bestowed upon us, that we should be called the sons of God: therefore the world knoweth us not, because it knew him not.
1 John 3:1
For ye are all the children of God by faith in Christ Jesus
Galatians 3:26
For as many as are led by the Spirit of God, they are the sons of God
Romans 8:14
Wherefore come out from among them, and be ye separate, saith the Lord, and touch not the unclean thing; and I will receive you, and will be a Father unto you, and ye shall be my sons and daughters, saith the Lord Almighty.
2 Corinthians 6:17-18
Wherefore gird up the loins of your mind, be sober, and hope to the end for the grace that is to be brought unto you at the revelation of Jesus Christ; as obedient children, not fashioning yourselves according to the former lusts in your ignorance: but as he which hath called you is holy, so be ye holy in all manner of conversation; because it is written, Be ye holy; for I am holy
1 Peter 1:13-16