Then He makes a comment about His diety and
unity of the Godhead.

"I amd my Father are one" John 10:30

Before, He had spoken of a distinction between
the Father and the Son and compared them to
two men (John 8:17-18)

He spoke of the importance of the Godhead.
Man has difficulty in putting the two concepts
together. But both are true. The 3 are distinct
from the other, but none could exist without the
other.