And this was definitely an area where his his ego was was definitely getting him in the way.

I was thinking we could maybe talk about as well the role of Tesla as an immigrant who early on joined Edison, thinking that he could sell him on, I think, his most important idea, the motor that is using AC.

But that didn't really convince or didn't really interest Edison.

So eventually he left.

And he joined up with Westinghouse later.

And one of the key issues for Westinghouse was that even though he had the electricity and the bulbs, he didn't have the motor.

And that was really key to enter, sort of say, the...

I think there's a different reason for that when you think of where did the ideas come from.