A Philosophical Quotation

I grabbed the following quotation from ….There could be snakes in here:

“I think now that the right thing to do would be to begin my book with remarks about metaphysics as a kind of magic. But in doing this I must neither speak in defence of magic nor ridicule it. In this context, in fact, excluding magic has the character of magic.”
- Wittgenstein, (PI manuscript)

So what is Wittgenstein trying to say here??