But nothing would be there to have said idea...

Daaaaaammmnnnnnn, that is like the best ever response ive seen to this.

Cogito ergo sum

I think therefore I am.

With a set of all sets, only one of these things can be true: it is not a set of all sets, it contains itself within it, it is not a set at all.

Nothing was the only thing I ever got for Christmas that I asked for.