Challenging the Mendacity of Pseudoscience and Religion
The title is the repeated mantra of homeopathists (i.e homeopaths and their apologists). The point is that we don't have to: they are shifting the burden of proof.
They make the claim that homeopathy works, so the burden of proof is upon them. Until then, as the late Christopher Hitchens put it, "That which is asserted without evidence may be dismissed without evidence."