[This is the latest in a series of conversations Pascale has been having with various people about her sense of self.]
Mummy. There is only one of me.
That is quite true.
I am made up of molecules.
All molecules occupy a particular time and space.
No one else is exactly like me because no one else’s molecules are the same as my molecules, and even if they were, they can not be in my time and space.
[A pause]
Actually, they could occupy my time or my space, but not both – because that would be impossible.
Whither Earthlings 