Rom. 1:9—For God is my witness, whom I serve in my spirit in the gospel of His Son, how unceasingly I make mention of you always in my prayers.
Phil. 2:17—But even if I am being poured out as a drink offering upon the sacrifice and service of your faith, I rejoice, and I rejoice together with you all.
Phil. 3:3—For we are the circumcision, the ones who serve by the Spirit of God and boast in Christ Jesus and have no confidence in the flesh.
Matt. 28:18-19—And Jesus came and spoke to them, saying, All authority has been given to Me in heaven and on earth. Go therefore and disciple all the nations, baptizing them into the name of the Father and of the Son and of the Holy Spirit.
For further reading please refer to 李常受文集，一九八九, vol. 4, “The Advance of the Lord’s Recovery Today,” ch. 10, p. 147-148.