"No doubt if he were writing now he'd have written something about Jews, Muslims" , wrote Dave Mackenzie way up the thread. No need to speculate:

There's a light that is shining
In the heart of a man,
There's a light that was shining
When the world began.
There's a light that is shining
In the Turk and the Jew
And a light that is shining, friend,
In me and you.

from "George Fox".