John 14:10

Jesus repeated again that He and the Father were one (cf. John 5:19; John 8:28; John 10:30; John 10:38; John 12:49). The mutual abiding terminology that Jesus used expressed this unity without destroying the individual identities of the Father and the Son. Jesus did not just represent God to humankind as an ambassador would. He did everything the Father gave Him to do, and He did everything the Father did (John 5:19). Moreover ambassadors do not refer to those who send them as their father or claim that whoever has seen them has seen the one they represent. They do not affirm mutual indwelling with the one who sent them either.