Let them also first be tested; then let them serve as deacons, if they are blameless.
He said I came from the Father, I'm going to the Father. In His return to the Father, the cycle was complete. His ministry was accomplished. Jesus came to manifest to man what God is. And He was the true and the faithful witness. All that we need to know about God, we discover in Jesus Christ. "No man has seen the Father at any time but the only begotten Son which is in the bosom of the Father, he hath manifested him" ( John 6:46 ). Made Him known, declared Him.