'In Christ' in the Bible

To the saints and faithful brethren in Christ which are at Colosse: Grace be unto you, and peace, from God our Father and the Lord Jesus Christ.

Since we heard of your faith in Christ Jesus, and of the love which ye have to all the saints,

Whom we preach, warning every man, and teaching every man in all wisdom; that we may present every man perfect in Christ Jesus:

For though I be absent in the flesh, yet am I with you in the spirit, joying and beholding your order, and the stedfastness of your faith in Christ.