Here are some truths about our identity in Christ from St. Paul’s Letter to the Romans. Of course this is a partial list, read the whole Book of Romans for your soul’s health! (links are to the internet Bible Gateway)
And [we] are justified by his grace as a gift, through the redemption that is in Christ Jesus,
Therefore, since we have been justified by faith, we have peace with God through our Lord Jesus Christ.
For if, because of one man’s trespass, death reigned through that one man, much more will those who receive the abundance of grace and the free gift of righteousness reign in life through the one man Jesus Christ.
We know that our old self was crucified with him in order that the body of sin might be brought to nothing, so that we would no longer be enslaved to sin.
There is therefore now no condemnation for those who are in Christ Jesus.
For all who are led by the Spirit of God are sons of God. For you did not receive the spirit of slavery to fall back into fear, but you have received the Spirit of adoption as sons, by whom we cry, “Abba! Father!”
The Spirit himself bears witness with our spirit that we are children of God,
And if children, then heirs—heirs of God and fellow heirs with Christ, provided we suffer with him in order that we may also be glorified with him.
And we know that for those who love God all things work together for good, for those who are called according to his purpose.
No, in all these things we are more than conquerors through him who loved us.
Do not be conformed to this world, but be transformed by the renewal of your mind, that by testing you may discern what is the will of God, what is good and acceptable and perfect.