The Trinity

Here, in summary, is His [Jesus’] teaching. The Father is in the Son; the Son is in the Father (14:10). The Son is sent by the Father and returns to Him (15:21); 16:28). They have all things in common, except what distinguishes them in their relationship as Father and Son (16:15). They share in fellowship with the Spirit, for He goes out from the Father, and is sent to us by the Son (15:26). He glorifies the Son (16:14); He comes not only on His own but brings the presence of both the Father and the Son into the life of the believer (14:23), for He takes from what is the Son’s (which is also the Father’s) and makes it known to us (16:15)

Sinclair Ferguson

“The Mystery of Mysteries” in Tabletalk magazine (unknown date)