I must explain to you how all this mistaken idea of To take a trivial example,

I must explain to you how all this mistaken idea of To take a trivial example,

I must explain to you how all this mistaken idea of To take a trivial example,

I must explain to you how all this mistaken idea of To take a trivial example,

I must explain to you how all this mistaken idea of To take a trivial example,