John 14:11

πιστευετε μοι οτι εγω εν τω πατρι και ο πατηρ εν εμοι ει δε μη δια τα εργα αυτα πιστευετε μοι

pisteyete moi oti egō en tō patri kai o patēr en emoi ei de mē dia ta erga ayta pisteyete moi

King James Version (KJV)

Believe me that I {am} in the Father, and the Father in me: or else believe me for the very works' sake.

Modern English

Believe me that I am in the Father, and the Father in me; or else believe me for the very works’ sake.