That link doesn't seem to be giving me what it gave you, which is frustrating; could you quote, please?

Gah. Does this link work?

It's from an article he wrote about the importance of not assimilating: "What would have become of the genius of Marie Lloyd if she had been ashamed of being a Cockney? Would Robert Burns have been as great a poet if he had denied his ploughman speech and aped the gentlemen of his day?"