John 12:50

And I know that His command is everlasting life. Therefore, whatever I speak, just as the Father has told Me, so I speak."

Surrounding context

12:49 For I have not spoken on My own authority; but the Father who sent Me gave Me a command, what I should say and what I should speak.

12:50 And I know that His command is everlasting life. Therefore, whatever I speak, just as the Father has told Me, so I speak."