THE ONLY TRUE GOD.
All confirming being ONE means to be in complete agreement.
Proving being ONE does NOT mean Jesus or His disciples are ONE GOD.
But insetad Jesus was meaning He was already existing in GODS mind and plan before the foundations of the world, as GODS chosen Son to come and He is the one spoken of who is for-filling countless Bible prophecies.
This can be seen when the Jews said: Thou art not yet fifty years old, and hast thou seen Abraham? John 8:57.
But as always, many of the Jews did not understand Jesus or simply did not believe Jesus.
THREE CALLED THE TRINITY? Part 1.