'In Christ' in the Bible

and I was personally unknown to the churches of Judea, which are in Christ:

but this I did because of false brethren artfully introduced, who came to pry into our liberty which we hold in Christ Jesus, that they might bring us into bondage:

knowing that a man is not justified by the works of the law, but by the faith of Jesus Christ, even we have believed in Jesus Christ, that we might be justified by faith in Christ, and not by works of the law; because by the works of the law shall no flesh be justified.

For ye are all the sons of God through faith in Christ Jesus.

There is no more Jew or Gentile, there is no more slave or freeman, there is no more male or female: but ye are all one in Christ Jesus.

For in Christ Jesus neither circumcision availeth any thing, nor uncircumcision, but faith exerting its energy by love.

For in Christ Jesus neither circumcision availeth any thing, nor uncircumcision, but a new creation.