'Self appointed' in the Bible

Then Jesus called out as He taught in the temple, “You know Me and know where I am from; and I have not come on my own initiative [as self-appointed], but He who sent Me is true, and Him you do not know.

Jesus said to them, “If God were your Father [but He is not], you would love and recognize Me, for I came from God [out of His very presence] and have arrived here. For I have not even come on My own initiative [as self-appointed], but He [is the One who] sent Me.

For I have never spoken on My own initiative or authority, but the Father Himself who sent Me has given Me a commandment regarding what to say and what to speak.