Westminster Confession

http://reformedforum.s3.amazonaws.com/wcf/wcf26.mp31. All saints, that are united to Jesus Christ their Head, by his Spirit, and by faith, have fellowship with him in his graces, sufferings, death, resurrection, and glory: and, being united to one another in love, they have communion in each other’s gifts and graces, and are obliged to the performance of such duties, […]